MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to other PDF files, which is indicative of a link farm. ClamAV detected this file as Pdf.Phishing.Trojan, and an ML classifier also flagged it as malicious. The primary purpose appears to be directing users to potentially malicious or SEO-manipulated content via these embedded URLs.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://seumenha.ru/award?keyword=architecture+portfolio+examples+for+university+pdf PDF link annotation
- https://cdn.sqhk.co/mareduviger/djjFzEM/50105774655.pdfIn PDF document text
- https://bejeselujolir.weebly.com/uploads/1/3/1/3/131379719/wanowo-lejonux-rabizu.pdfIn PDF document text
- https://senaduwofajix.weebly.com/uploads/1/3/0/7/130775021/gapolovolotobekexuba.pdfIn PDF document text
- https://cdn.sqhk.co/nafadurip/giimBgc/77634999511.pdfIn PDF document text
- https://cdn.sqhk.co/zugivakizo/mphhjhf/babegibezilexanabubusiwo.pdfIn PDF document text
- https://cdn.sqhk.co/pevukoza/bjjB0RO/fairway_solitaire_blast_apk_mod.pdfIn PDF document text
- https://wudopivuvev.weebly.com/uploads/1/3/4/7/134752163/ladigo.pdfIn PDF document text
- http://bubuwem.iblogger.org/painting_easel_for_kids.pdfIn PDF document text
- https://jubiporosevuzu.weebly.com/uploads/1/3/2/6/132695682/252c0800c0f83.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://86a6be6f-1c3f-48a2-98e5-8a654ddc1212.filesusr.com/ugd/027f51_95b0f762985b44eb9331d67277700cb2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7b8eab23-23c5-4d52-a4e1-f49a1cb8ba16/797403973.pdfIn PDF document text
- https://d4e73f68-9870-4c81-be0c-0a6dd7607cd2.filesusr.com/ugd/6f53d7_4105c5e91a2a4442952afae3e69bd930.pdf?index=trueIn PDF document text
- https://9764c975-acb6-4bd5-a3ff-b1f4624bc9bc.filesusr.com/ugd/5bcb7b_d590e8f33dda49318451a7a1bb8894cf.pdf?index=trueIn PDF document text
- http://wamitut.epizy.com/ffxiv_drg_guide.pdfIn PDF document text
- https://71a5d838-4e22-4830-8da1-7955ec3365f5.filesusr.com/ugd/f2f43e_ecf2155d36014769a27e8b194b623541.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/63135507-3fca-410a-ad4f-de98358fd65b/mukupujaxabizelekiseno.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f38d8469-946d-4267-9f63-29a4e3ed330c/the_hobbit_1977_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffdfc2e4-b6fa-4b42-b340-2167deadbe45/rabbit_hole_movie_script.pdfIn PDF document text
- https://s3.amazonaws.com/wolawatin/duwimiposudutodis.pdfIn PDF document text
- https://9ec55029-67b1-4fe0-9a5d-40fd638ac594.filesusr.com/ugd/dc5a51_0cf5cefbefb24fb79b0e11c0b1382f7b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xijilesuzuxo/uc_browser_app_java_9._5.pdfIn PDF document text
- http://pidaxodudu.rf.gd/gukeguzoxulitupa.pdfIn PDF document text
- https://s3.amazonaws.com/daraniwekamidir/linksys_ea4500_setup_as_access_point.pdfIn PDF document text
- http://demunoj.epizy.com/brand_perceptual_map_template.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAB | 5612 bytes |
SHA-256: 215b9b06216976c5f3524fee7941c476e214182a4e1905759397b305b72ac0e4 |
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font_01_sfnt_off0000fea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA3 | 10352 bytes |
SHA-256: 372cf3b5314acb02f05fc3033981dd5e16f3ebd9b94f049379cfffcb5946b9c1 |
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