MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving exploitation of PDF vulnerabilities to execute further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/b1f957acc99ef6a2ac6eacfdc9555ee9/20449588024.pdf In PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8013ea9535---54875407194.pdfIn PDF document text
- http://fluorescent-training.com/file/15499155654.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/rozubesewuba.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5f72bacba---dinefalopatoxareri.pdfIn PDF document text
- http://stavclearing.ru/upload/files/fakekiwiwanadetafusadetor.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021080215046_1025688399.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/62428965698.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/10795379279.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/14223036025.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/508b7740d452555b4a4357292f551ed6/87235592829.pdfIn PDF document text
- https://somogyplusz.hu/files/47318267002.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/77310213103.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607264583c436---53656454382.pdfIn PDF document text
- http://cdmvt.cz/sites/default/files/ninunevojiweganej.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f6d178aa78b8a7cba1f58b479a1c14b2/volividoguza.pdfIn PDF document text
- https://nffcd.org/userfiles/files/lanet.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/57573474896.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/712f2ac36e9e2b4ff3a8a4b258eca5b7/7542100616.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/kavupivokiko.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/47443749542.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=common+conjunctions+in+englishPDF 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_off0000e056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE056 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f86d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86D | 10676 bytes |
SHA-256: 801738328de2248de7f0e88df12a901d046b3231eabb7fbdfe8dd79cfc59ef0c |
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font_02_sfnt_off000110af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AF | 16556 bytes |
SHA-256: 7e7a7707e8828a03592db905e10c47bbc00a92dcbc93cbcb591aa7689274a5d2 |
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