MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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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://crophysi.ru/aws?utm_term=winning+chess+tactics+yasser+seirawan+pdf+download PDF link annotation
- https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/454617.pdfIn PDF document text
- http://zekoselu.22web.org/words_to_say_to_a_long_lost_friend.pdfIn PDF document text
- http://mejarada.iblogger.org/84220128704.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484169/normal_5fd6018f4e27f.pdfIn PDF document text
- https://cdn.sqhk.co/jidobimatu/gc9mQid/call_detector_reviews.pdfIn PDF document text
- http://manaxupupili.iblogger.org/sample_agenda_and_minutes_templates.pdfIn PDF document text
- https://tagakokiginozol.weebly.com/uploads/1/3/0/7/130775172/4842285.pdfIn PDF document text
- https://tamilazubi.weebly.com/uploads/1/3/4/6/134604156/fb34b0e62.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502178/normal_6007b59fc02ec.pdfIn PDF document text
- https://cdn.sqhk.co/solaxutom/idGigif/94567102672.pdfIn PDF document text
- https://cdn.sqhk.co/bexuxoxabim/pjahNgd/good_one_podcast_community.pdfIn PDF document text
- https://dadixuva.weebly.com/uploads/1/3/4/0/134018012/5644796.pdfIn PDF document text
- https://cdn.sqhk.co/wuvevalor/fBjh6ia/55162421442.pdfIn PDF document text
- http://www.bobferngren.com/download/winning-chessIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6b52f5a6-db44-4d3e-8337-ab33c729cb13.filesusr.com/ugd/f4de5e_efee8b3809504502baaa6f4641724e78.pdf?index=trueIn PDF document text
- http://lekipuvuji.epizy.com/jetifamipogovirop.pdfIn PDF document text
- http://jalasofumikom.rf.gd/5054868788.pdfIn PDF document text
- http://nepomem.epizy.com/american_english_conversation_video_free.pdfIn PDF document text
- https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_28916f6e64434a939d077524142b0c77.pdf?index=trueIn PDF document text
- http://limekukojaso.epizy.com/2442555958.pdfIn PDF document text
- http://doxinaxa.epizy.com/mevepawu.pdfIn PDF document text
- https://8650d040-a33d-467d-a608-6706f181f11b.filesusr.com/ugd/61b8bf_33926a4ac99441fc8e2c7aa0b89c0107.pdf?index=trueIn PDF document text
- https://eadb47d6-6712-4ecd-aa5a-2cdcf2d90b86.filesusr.com/ugd/c844bf_0de21252aca14d69a45499f505748513.pdf?index=trueIn PDF document text
- https://d6236f05-450e-4b96-9875-1783d83c708b.filesusr.com/ugd/912de2_18aead3d44f546a6bd128263c413d83c.pdf?index=trueIn 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_off0000e528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE528 | 5624 bytes |
SHA-256: 5d6857971a6eb9310fc0eb1a0686383f61345dfc5bb386c6b0c2966da42c659e |
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font_01_sfnt_off0000f872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF872 | 10404 bytes |
SHA-256: bb8b6ff822b34ca622592a9fc33ea07a3f27ddabddb43ee1e29be5090418b6ca |
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