MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. The heuristics reveal the document functions as a link farm, directing users to multiple compromised WordPress sites. These sites, in turn, host further PDF files, suggesting a multi-stage distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba5d839207---89307914754.pdf In PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cec511f3f9---suxopurenezokadadafuz.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/46923729021.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/14177462852.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a57259b8782---91494578406.pdfIn PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210820131543.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/lqafs04sh5q23v9r3vlvb929t7/wizasadosizusi.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/dc1769cd738b1c4baf0020ceb0c8008c/kegajorolekoferujuv.pdfIn PDF document text
- http://covinahigh1980.com/clients/1/14/147ee80f0cf2e08ca1b5067d21485a43/File/16691542025.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/41e1424b928bd98c87a835cfdbcc6de5/92676956684.pdfIn PDF document text
- http://tcihk.com/userfiles/mibanapuzuvupowodufolake.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/6dbaca21e6306d7a4b78bdaa96500452/50467433531.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/molelukow.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/56685115672.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/14530164057.pdfIn PDF document text
- https://summit-christian-academy.net/scauserfiles/files/87736623019.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-8-12/20210812165258629620.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/peterokofaxiko.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/27268754896.pdfIn PDF document text
- https://vientangluc.com/upload/files/wesibusikimere.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714048ecac5---zadolokage.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-13/20210513073311564942.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdef0b9d781---67933229239.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c5964da527f---89510821039.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=lead+oxidation+numberPDF 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_off00016d4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18562 | 10492 bytes |
SHA-256: bdcbae51e2345e77f628ac8e4abaa896193e058815066d97caa5013518d9ee87 |
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font_02_sfnt_off00019d2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19D2A | 20588 bytes |
SHA-256: f17a45097d1116375b0aa027e17e3d1199787b6b1bcb37c34d513a780ef83df3 |
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