MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan distribution. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially harmful sites. The presence of urgency language further supports a phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://bologen.ru/strik?utm_term=ascp+board+of+certification+study+guide PDF link annotation
- http://topcreditscore.info/walmart_black_friday_days_of_deals8rutz.pdfIn PDF document text
- http://sipamuxagiporen.iblogger.org/solitaire_cube_for_android.pdfIn PDF document text
- http://kpupnov.pro/vans_old_skool_grey_suede_mensb2qch.pdfIn PDF document text
- http://depotupunejiwo.iblogger.org/63607309914.pdfIn PDF document text
- http://fuxutigox.mypressonline.com/complete_javascript_tutorial_download.pdfIn PDF document text
- http://dedarijaluwonu.22web.org/honey_badger_honeyguide.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/772fce7b-dd21-4819-9b20-4aa5d57da128/exerpeutic_900xl_300_lbs._weight_capacity_recumbent.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3341949-0e60-4648-836f-b7f56cd49c65/xelej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4f56831-7cb3-43c2-9506-e4febde924f9/big_bang_theory_ks2_lesson.pdfIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_473df1ef53f84f6bbb44a9b3747d96f3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4d6126c3-d336-4044-a9ea-87ca9a515aa3/nortel_m3904_quick_reference_guide.pdfIn PDF document text
- http://kuxomexepus.epizy.com/91853990079.pdfIn PDF document text
- http://ginowane.onlinewebshop.net/besukojokilitobu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c6a014c-2f12-4f7b-8f84-a197f6f7f081/corona_portable_kerosene_heater_model_23-dk.pdfIn PDF document text
- http://danebusuji.onlinewebshop.net/42267088619.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71dd6adc-6423-487e-ab3e-ff1add65d774/dark_souls_3_battle_mage_build_pve.pdfIn PDF document text
- https://b46c4cda-4951-41c0-816f-bbf02eee4d9b.filesusr.com/ugd/4ff992_c898b4ad3e7b42ed8bb136ee3abad329.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c71e99e6-6bca-4fba-91bd-e1bdff85c8cb/73477485214.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/267dfa99-9ebf-4ef5-ae1d-cbfc08a5b7e2/53590785880.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd1eadc6-cc7f-4c3b-9dee-dd4fe6f2de30/remorajurabesexegedabol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/778490b5-0130-43a6-99d2-c5ae274ee82f/group_theory_by_zr_bhatti_download.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_off00012175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12175 | 5524 bytes |
SHA-256: 14ed6db6cbef03a3281137656ecb1222eae946fe7bb840146d9a378807819ab9 |
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font_01_sfnt_off00013456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13456 | 11864 bytes |
SHA-256: 857131dec29c01361f7a37bd1c06fc92fe2992550004d8928686d7b9c26c3455 |
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