MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the overall structure point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613115a2248dd---14332154235.pdf In PDF document text
- http://sitoad.com/bbqjoekey/files/202109202254578000.pdfIn PDF document text
- http://jor-agric-aqua.com/user_img/files/weguze.pdfIn PDF document text
- http://studiozoppini.com/userfiles/files/nibuvesemulujuzekosulu.pdfIn PDF document text
- http://tetrafluoro.com/upload/files/93117382876.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/fa08b0a091ed22b0331a4d98b6ff3fe8/54346947381.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/xesuvuwisagezipan.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/sirogilifipomumifiziva.pdfIn PDF document text
- http://uchid.com/uploads/file/liroson.pdfIn PDF document text
- https://infypos.cncmonitors.com/infyposcms/media/74819801765.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a067a4e7bc---59839581317.pdfIn PDF document text
- https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/pojigoguvinorununobo.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/ratesijozuzopofezota.pdfIn PDF document text
- https://unitjaya.com/contents/files/89141728857.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7s9n28lmobg3epg5i7mob7n067/86123759403.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161378d388dd4f---26557830022.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/majimu.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/73605335732.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/filoteti.pdfIn PDF document text
- http://royalwedding.jp/images/blog/file/57462440662.pdfIn PDF document text
- https://megalight.lv/uploads/files/kebovexigeb.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/58282146686.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=convert+pdf+to+excel+keep+formattingPDF link annotation
- http://elezioni2014.gds.it/userfiles/file/85605223369.pdfIn PDF document text
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB020 | 11088 bytes |
SHA-256: 8446240e78cb7e50179e3d943d9bed3bf050f4b948fe0b1a497256c610940e5e |
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font_01_sfnt_off0000c9cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CD | 15476 bytes |
SHA-256: bdb15c7e084e91933a4e972ccc1712801f4243cce55e49d13475df484ec50b3b |
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font_02_sfnt_off0000f0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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