MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many of which point to disposable hosting, suggesting a link farm or phishing attempt. The primary malicious URL identified is https://xajibur.ru/strik, which is likely used to redirect users to further malicious content. No scripts were extracted, but the PDF structure and numerous external links indicate a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://xajibur.ru/strik?utm_term=what+is+in+7+layer+burrito+at+taco+bell PDF link annotation
- https://cdn-cms.f-static.net/uploads/4491934/normal_6012e31f9a67e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369900/normal_5fe596589d1a9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420454/normal_6039ffc1852b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402246/normal_5fd3848ec47bd.pdfIn PDF document text
- http://xifamopituwoti.iblogger.org/art_history_masters_programs_online.pdfIn PDF document text
- http://dafilor.iblogger.org/love_of_my_life_sheet_music_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386087/normal_602c67f1e0787.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368763/normal_5fd241e292635.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459631/normal_5fc79db1e2385.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423430/normal_5ffbba98aa909.pdfIn PDF document text
- http://zirosax.iblogger.org/36930892599.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_fdfde5899c1b4f999bccfb5c5977cd58.pdf?index=trueIn PDF document text
- https://63b1f34b-4847-450f-8d9a-4788d10e1cf5.filesusr.com/ugd/451a43_35439cb3bef2412b81ff7ac635f9aa4c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dujepav/android_install_rom_via_adb.pdfIn PDF document text
- https://s3.amazonaws.com/nojemi/rufus_bootable_usb_windows_7_free.pdfIn PDF document text
- http://rajokawaxes.rf.gd/how_to_tell_if_honeywell_humidifier_is_working.pdfIn PDF document text
- https://6a9ecc2b-05c3-4056-8705-773ae6be8cdd.filesusr.com/ugd/7a359d_9c003427232142bc84ee3f05786af35e.pdf?index=trueIn PDF document text
- https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_9bd5d84be30e4897afbaa998bb73e829.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zufaxepixiguxax/storm_radar_apk_mod.pdfIn PDF document text
- http://kexomuradalo.rf.gd/35674525944.pdfIn PDF document text
- https://05b7586d-5a24-4234-b982-0130f9e02105.filesusr.com/ugd/2f8cea_018a46f6367e4129927f8d2cb78ad33e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jezobasit/girl_whatsapp_chatting_app.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_off00010017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10017 | 5220 bytes |
SHA-256: 24d7a61aec366f385dbe5dd408aa76329e6de53e494acb62b60b5870cb7d463c |
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font_01_sfnt_off000111f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F0 | 11180 bytes |
SHA-256: bcce0c77302a2f0e0cd7560eecec477b57b34c1a102fc24d88d47285c8a223b7 |
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