MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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 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://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613341d672967---61595797329.pdf In PDF document text
- http://aaykpn.com/uploads/editor/files/vazusirukupikilupakigimu.pdfIn PDF document text
- https://073741256.com/uploads/files/202109021723278175.pdfIn PDF document text
- http://www.eatvirukai.lt/uploads/files/lejutedoza.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/1876633764.pdfIn PDF document text
- http://hicoweld.com/shop/fck_file/file/74553943142.pdfIn PDF document text
- http://zl369.net/userfiles/file/97728912111.pdfIn PDF document text
- https://clubesolbra.com/uploads/files/86173505549.pdfIn PDF document text
- http://karpatskiles.ru/store/files/givalewuzopopomojojeme.pdfIn PDF document text
- http://palirna-frydek.cz/uploaded/file/xokejurakafovebaluv.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/sowalegiziraserim.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/55426488766.pdfIn PDF document text
- http://weighlessthisyear.com/ckfinder/userfiles/files/85889725839.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/tilavaxetabironelezafeme.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/81951309997.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/wuximumijexazikutaliwewiz.pdfIn PDF document text
- https://artenika.pl/fck/file/dadabiwujoj.pdfIn PDF document text
- https://vettercycles.ch/userfiles/files/gaxuxabekasap.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/zanirafemazalapazizewi.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139eac33619d---nivorelajokuzivi.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16138bca18271a---19229836797.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/79813162755.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/kinetugalifuvokekuxagep.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/loduzajuzegogatobovusolu.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/89988403007.pdfIn PDF document text
- https://digireg.nz/upload/8929400173.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=friv+old+games+2017PDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE78 | 21868 bytes |
SHA-256: 835bd2bdf3ff623293e3e91fe32964eb9ff353e53d3ed8ed1ad8c5c8a390e625 |
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font_01_sfnt_off000107bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BD | 10776 bytes |
SHA-256: 5e499c1ff0898b49009392d65500b355b204e4b40baa3f8e5a92064cf02aab02 |
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font_02_sfnt_off00012076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12076 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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