MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves leveraging these links for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://nomylo.ru/uplcv?utm_term=battery+conked+off PDF link annotation
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b265c89ed88---60985144960.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b005eab7985---sivovejetebus.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/51958222650.pdfIn PDF document text
- http://marcth.pl/media/fck/file/pizajute.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name//files/sazulaxobogid.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/0f0d0e1bf4f77ec2ae0b3e3ea80264bb/70339407458.pdfIn PDF document text
- http://satbietthu.com/luutru/files/kibemigafubufadon.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/83632087353.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/11306738806.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608126fe9330b---89096729980.pdfIn PDF document text
- http://studio70.eu/userfiles/files/nawosidakeraseseferolu.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210807_95C8DE8F0F337E4E.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/fixurowilunupuj.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609e38a5aa8d1---74852278617.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/hviko3messjhjqdvmvpb2fnmcl/mosugobarolorufadujuwi.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/pas77erid1vdj816kk7djkcmfs/96436096573.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/b28jia7mu9upte6u5u09vqf251/32438633804.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6dfdab6371---sosemopedanijexa.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/67544988632.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab959439786---95088391618.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824b84a26ce---sidijonegej.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/93047f67052e1c5ddd27c3cd3f776c32/nulukamifo.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/11292957853.pdfIn PDF document text
- http://apexhealthnutrition.com/newerac2c/userfiles/file/41838383343.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_off0000e2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000faec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAEC | 10424 bytes |
SHA-256: 811972e9151bd3f859c423dff0347efd5c7d1c9c3502c583e35d1c5be32dbffa |
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font_02_sfnt_off000112c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C0 | 16716 bytes |
SHA-256: 68b88cd7ef866929ae978a26d7ccd332d2ccd3f16308d71e18aaab796f8b3c19 |
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