MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a deliberate effort to obscure the final destination and potentially distribute malware or phishing lures. No scripts were extracted, but the overall structure points to a malicious document intended to exploit user interaction with embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://hanilkwanla.com/uploads/files/balaturewebejog.pdf In PDF document text
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77845300510.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zateluzivesupowulaxexur.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/0eadc97faec0d0d17666cc0431fe747f/jirukavitonuzadobazoxubi.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/bf05fcbe2b1f866adb4589dbc9317cf7/wogas.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b26179840b4---xozaporejiwigifajeg.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/qmf4j4rbokuvrg5j18vjeaf207/paparunisamorowewinijes.pdfIn PDF document text
- http://ottotech.center/userfiles/file/32823614823.pdfIn PDF document text
- http://babamoleskine.com/files/file/81605223220.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf0c27fa6a---3955823303.pdfIn PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/xowopuzunovuxijujaju.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eeb68d0ed---7632697419.pdfIn PDF document text
- http://apricomm.com/userData/board/file/xutoxojozowipikowubojimu.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/7aa882e0e36b5186f4d1bd5c2e34b19f/84986081494.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160922a2254d32---nadifamiwuf.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/415ab4c75b1d019cb6b183c78a75d8a7/74595047974.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/jivatimaroluxigagexap.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f1bd192ac---gotibibiwiwipirimudoreful.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078103246aa8---puxiresub.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/1c62c3787ec08390be4eca9f89776f2f/bufatuvojoxijipeliregenog.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f0d120828---zoxegijejukiri.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/neligozitazi.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/kudolawadefover.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/72546063921.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=relative+clauses+esl+online+gamesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7C | 17412 bytes |
SHA-256: e12d5255bcc149cd9c0d5128d218595228aac17d0c8f6dedc7b9f91ff1abe6e0 |
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font_01_sfnt_off000129de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000141f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141F5 | 10684 bytes |
SHA-256: 5ccd16d29ea231a78ea31fce0b692d3e8dc3763a0b406337389628da4ee3a7b5 |
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font_03_sfnt_off00015a76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A76 | 1848 bytes |
SHA-256: ebe37dd088900a1601315ebdbfada4487268e914aefeb097cf752198025a5afe |
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