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 0.9995
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://seumenha.ru/award?keyword=book+of+fairy+tales+pdf PDF link annotation
- https://cdn.sqhk.co/gunumiku/aGVHVsp/newcastle_rugby_league_2020_grand_final.pdfIn PDF document text
- https://cdn.sqhk.co/nakokixega/1ho7Mq6/80_s_and_90_s_music_hits_list.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425492/normal_6058db456e437.pdfIn PDF document text
- https://cdn.sqhk.co/jixuvepabu/gkcgeic/funniest_couple_fight.pdfIn PDF document text
- https://cdn.sqhk.co/rexukewanej/e0aogjh/dapixobasibopebodokebet.pdfIn PDF document text
- https://cdn.sqhk.co/sadirorig/iidhdWq/46469033128.pdfIn PDF document text
- https://cdn.sqhk.co/gukokefa/icegfhb/govoluv.pdfIn PDF document text
- https://cdn.sqhk.co/verexoleki/jg9hjP1/nick_sports_basketball_stars_2.pdfIn PDF document text
- http://pe50off.pro/ribalolyf7ur.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402717/normal_5fc9b11e9ee98.pdfIn PDF document text
- http://pesale.pro/19400855233oa6sy.pdfIn PDF document text
- http://pe50off.pro/komatex_pvc_datasheetqtgsn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445890/normal_602dd75e1dd0a.pdfIn PDF document text
- https://cdn.sqhk.co/zowonefaso/hbOiiBW/33019840638.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/vexosafugunu/el_sistema_endocrino_que_funcion_cumple.pdfIn PDF document text
- https://d4bcd744-2348-4fe3-9006-05b2fcbd3cbd.filesusr.com/ugd/704566_4b460d9b99464acab3f51f1948ec7151.pdf?index=trueIn PDF document text
- https://ac4cd5cf-e861-4b1b-a585-e47049f737a6.filesusr.com/ugd/843280_a9b35d30178443a7b47fe73e1cd7a955.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pubopelej/93026269086.pdfIn PDF document text
- https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_9cc3a3d2f5bc4d2ba95ac62538505331.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/libowebujakux/is_big_fish_games_going_out_of_business.pdfIn PDF document text
- https://29ce6865-365c-47c4-9f0a-635d6f965865.filesusr.com/ugd/0d6b77_f77be971348743e9ad1f2b4bdefd1db9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wamatasamegu/jamimupevebolugipu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f51b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51B | 4932 bytes |
SHA-256: 5a835869635501b66fedb481add5b55315c3bf1a331878c3127940ea2ba56b9b |
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font_01_sfnt_off00010603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10603 | 11240 bytes |
SHA-256: 4924ebcad86ec58ab1ca2c15ac1090a48a007fbd31462c53a281fb3bece56710 |
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font_02_sfnt_off00012c49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C49 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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