MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cnex.cc/images/blog//file/57531133998.pdf In PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/h9ur25vgr943pc3cks5p61o02u/vozigodazawilan.pdfIn PDF document text
- https://vettercycles.ch/userfiles/files/68711506271.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/29625290296.pdfIn PDF document text
- http://rotarylaspalmas.orgdocumentos/file/22556940090.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/guxaropimuf.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/08edee4f228abd07e1fa9c9e7fb257e3/bufitovegukokepuredesut.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/3il57u5bjjruse2urm4c44vv33/tekepusuxejugaj.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/97559385685.pdfIn PDF document text
- http://kemmurad.com/webroot/img/files/78549283471.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/5ecab833a0a34b8701822eb7a4cfd821/wowidipub.pdfIn PDF document text
- http://www.oneworldkarate.com/fckeditorimages/userfiles/file/jiruzegoganufo.pdfIn PDF document text
- http://jingyilin.org/uploads/file/zaxumutujazi.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/81963197990.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/ieodsunc8g83gi864e358slnb4/nopigelapululexuvafifel.pdfIn PDF document text
- https://pelletier-tp.fr/ckfinder/userfiles/files/sujezanipikojefaxugebimez.pdfIn PDF document text
- http://snbedu.com/uploadfile/file///2021081919074569.pdfIn PDF document text
- http://apnorajasthan.net/userfiles/file/badapanerajula.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/wuberukixegigogiron.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107500cddcf9---53418416938.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/3d18179043231e56f7dd195b3390dec0/79632406053.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bebb0680a5---36151246216.pdfIn PDF document text
- http://centrons.com/uploaded/file/19642366060e436700b27f.pdfIn PDF document text
- http://oprfhs70.com/clients/879438/File/lobuvewi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=jk+flip+flop+practical+pdfPDF 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_off0000b2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A0 | 10292 bytes |
SHA-256: ebb493e3782e7e1ccdba62fd6fadf86218c6c2f593f83ed16c9f62b4e10d8e96 |
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font_01_sfnt_off0000c9ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e1ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FF | 14636 bytes |
SHA-256: 68d70b4229b408ae73156da3878b8d8afa499eead969ab5490963cbccf22ca89 |
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