MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The document body, though heavily obfuscated, appears to contain search query terms, reinforcing the lure of a technical issue. No scripts were extracted, but the presence of numerous external URLs points towards a phishing or malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://maypoin.ru/strik?utm_term=hl+2140+drum+error+light+flashing PDF link annotation
- https://static.s123-cdn-static.com/uploads/4388613/normal_5ffb454535c66.pdfIn PDF document text
- https://xakolino.weebly.com/uploads/1/3/1/4/131453712/97e6dbd.pdfIn PDF document text
- https://cdn.sqhk.co/tebolugex/hsheifa/old_snake_xenzia_game_online.pdfIn PDF document text
- http://fisareboveda.getenjoyment.net/how_to_get_rid_of_best_friend_heart_on_snapchat.pdfIn PDF document text
- http://3203epworthcres.com/spider_man_comics_reading_guidemu4mb.pdfIn PDF document text
- https://tesetugunujogub.weebly.com/uploads/1/3/4/0/134040467/7935008.pdfIn PDF document text
- https://muzafudopabebex.weebly.com/uploads/1/3/4/8/134865208/5664310.pdfIn PDF document text
- https://cdn.sqhk.co/sanojuxako/chjid9B/85002269362.pdfIn PDF document text
- http://regvoolkim.website/i_m_going_up_yonder_sheet_musiced1k3.pdfIn PDF document text
- https://cdn.sqhk.co/nuroteditu/zgdOidZ/calcular_iva_16_mexico.pdfIn PDF document text
- https://cdn.sqhk.co/vuritukupus/fTjjdha/pvpets_tank_battle_royale_hack.pdfIn PDF document text
- https://cdn.sqhk.co/kosifodalab/RicSpxl/new_ringtones_apps_android.pdfIn PDF document text
- https://cdn.sqhk.co/xagaxubibiz/Xagf7ih/kizifegoj.pdfIn PDF document text
- http://newuwedeza.mypressonline.com/57554813918.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://woranuganavot.myartsonline.com/36853898940.pdfIn PDF document text
- http://ziwemasux.myartsonline.com/4th_grade_grammar_quizzes.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_off0000d236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD236 | 5696 bytes |
SHA-256: 77052cdd9c9072a3cf458f1d52d371607f5fc94f882a5ccfcdbc3771f5141d25 |
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font_01_sfnt_off0000e576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE576 | 10176 bytes |
SHA-256: d5530d91dedb03abaaa19ef42d616d0e116d4725cbc13d7801156d1a68d916c8 |
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