MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites, likely to facilitate phishing or malware distribution. The presence of multiple links on disposable hosting and SEO-related terms suggests an attempt to manipulate search results and attract unsuspecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://1000projects.ru/upload_picture/file/fufesanuxawusosedo.pdf In PDF document text
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/ea74509cd92e29bde4678a67d3c0042b/13498945683.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/9956630994.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102d4f762333---76969822119.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160780f6fbc922---depozozazaseta.pdfIn PDF document text
- https://cmfnepal.org/userfiles/files/vijewumifanosinib.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a9891dc2ba8---birorimupogerurakok.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/rsb0u3crrumd5b11te8dkeuj66/19751694817.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c659d12b28---nudewipama.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/8fef89f1bf4d1624e510add5fdc750b0/korixizupexegedunenit.pdfIn PDF document text
- http://namlongprojects.com/images/uploads/files/21466466617.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/dasizujut.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611312a3ea747---33408928380.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/10072128012.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/1t1jut4oc6ajch89iiits1e8o5/48607187586.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/8d5f37500cf5d946915710c90eafc179/zobowurizuwewax.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160de1f47db0b4---kosimojoxoli.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/95026180291.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/mevobolenekunagenugow.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90936291776.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160772ef74282f---62128764369.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/legone.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/nenajedopopax.pdfIn PDF document text
- http://ohsclassof73.com/clients/9/9a/9a21b0b253f7c4eafe662346d237c286/File/somutawexawoladib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=disney+coloring+pages+pdf+freePDF 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_off0000da01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA01 | 17576 bytes |
SHA-256: 300ea0ffd91bc3d9f3efd22b0d57ce99915241e2e0ae480aebda6ce8c19ed695 |
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font_01_sfnt_off00010747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10747 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F5E | 10812 bytes |
SHA-256: 7281d0464b22ee1c2090fb1f850bcca4689fd883329f113c94d859a0c97e1bfc |
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