MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF document exhibits characteristics of a phishing lure, indicated by heuristics related to SEO link farms and urgency. The presence of a 'Browser extension / update installation lure' heuristic strongly suggests a social engineering attempt to trick the user into downloading and installing malicious software. The document also contains numerous external URLs, with one pointing to 'https://maypoin.ru/award?keyword=bank+of+america+pdf', which is likely part of the phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://maypoin.ru/award?keyword=bank+of+america+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380229/normal_603041d18fbfd.pdfIn PDF document text
- http://woxuruko.medianewsonline.com/how_to_repair_bose_wave_music_system.pdfIn PDF document text
- https://turarizamagux.weebly.com/uploads/1/3/1/4/131453837/3688800.pdfIn PDF document text
- https://moxitason.weebly.com/uploads/1/3/4/3/134384587/8680451.pdfIn PDF document text
- https://cdn.sqhk.co/mugapowejog/gghxPE3/guess_the_tiktokers_age_quiz.pdfIn PDF document text
- https://somirurawepaf.weebly.com/uploads/1/3/1/3/131381963/tagegukonukaner.pdfIn PDF document text
- https://vopemafewiza.weebly.com/uploads/1/3/1/4/131408930/wisuzubo-xebipisililo-bitutanix-tixato.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464702/normal_6011c3922cf23.pdfIn PDF document text
- https://nalovitifa.weebly.com/uploads/1/3/4/6/134600698/dokinalesamifasiv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412591/normal_60081c47300e1.pdfIn PDF document text
- https://vorexumezekadan.weebly.com/uploads/1/3/0/9/130969740/56dee1350cf8.pdfIn PDF document text
- https://cdn.sqhk.co/letareximo/ggYhejj/enemy_strike_3.pdfIn PDF document text
- https://jebezefekoju.weebly.com/uploads/1/3/4/7/134737834/8952958.pdfIn PDF document text
- http://lubenoredeji.mypressonline.com/66578355380.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/nokabuwanisepil.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/55597888744.pdfIn PDF document text
- http://nivuzujanux.myartsonline.com/fefofimogimupolilizoxapu.pdfIn PDF document text
- https://s3.amazonaws.com/rumezo/nizawalawixuwosum.pdfIn PDF document text
- https://s3.amazonaws.com/wejuvono/binifibegutulit.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_off0000fd76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD76 | 5204 bytes |
SHA-256: 3e83f191faa08f89cd210461f6da23630a2661e4623017940669ca13685fc3bf |
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font_01_sfnt_off00010f1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F1B | 11168 bytes |
SHA-256: e6e6f37c21890c174c2c3480dd6b9c0f167c3d56e8368558bba083437f7431e1 |
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