MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, which in turn host other PDF files. This behavior is indicative of a link farm designed to obscure the ultimate destination and potentially distribute malware or phishing content. The ClamAV detection and ML classifier strongly support its malicious nature.
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 https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/4fb8f6ddee26558ccf3f4d475e3b3df2/pipikefajezilepipedoru.pdf In PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/6b351c5157a0b1cf5a49c4f85c8d59cc/gipabowub.pdfIn PDF document text
- https://bulgariapools.com/contents//files/81933378116.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210619050314.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/4422d7492e806959f52eb09478a661c8/xabubatojew.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/a5101f3f9059d593fc4acc1caf29415e/wekil.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af50876f87a---meginiseloxosozasitan.pdfIn PDF document text
- http://bethtikvahevents.ca/clients/2/20/20a91c0cb94b02964b0d1c5d980f1596/File/1512716166.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/33368379057.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/t6bmeckgk1ovumei2669iu2c94/13992580386.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160895bcfaee73---44938003671.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/venuwubitabuxopotixewuw.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/mebefakeji.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/29190439699.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e13cd17dd---pufav.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/23737367285.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3233063dc9---lamuzofinenurizewiru.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/b8d4629d664e9028d341f50f14e6364a/lukataxakov.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/e0f67162517e3893e29d6564d33ff78a/fuvelirefi.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/teluwaged.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/90f1ea4145becc7b01ae0c9d0e6db5df/4808889519.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608646dd0a754---xugevopo.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4ba43bd91---48705939688.pdfIn PDF document text
- http://www.monts.sk/upload_images/file/kezemafipavavo.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/adcd3ff97ba80d1fc60cedfa3ee16551/ruvotuvugureninovem.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1d29e3f8f---81572252287.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=annals+of+pharmacotherapyPDF 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_off0000e0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8FA | 10748 bytes |
SHA-256: e3ffbe8d8cf3cc1544d40a8e464453dc0dffab720f57f21c79d5ae1929281c96 |
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font_02_sfnt_off00011198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11198 | 16840 bytes |
SHA-256: d4c9cc085c79572ded17015fc1f19e26ee604f32fcc49e489a6df4eb2a5f55bf |
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