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 0.9997
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://leonvi.ru/strik?utm_term=california+real+estate+practice+exam+answers PDF link annotation
- https://cdn.sqhk.co/begokaxawip/Bijbgi3/29487898359.pdfIn PDF document text
- https://cdn.sqhk.co/kidimezamos/67ijjiB/68172895207.pdfIn PDF document text
- https://cdn.sqhk.co/resozasevej/ugfFsjb/sell_second_hand_clothes_melbourne_market.pdfIn PDF document text
- https://cdn.sqhk.co/kuzosexiwugu/ghjicge/likes_and_followers_on_instagram.pdfIn PDF document text
- http://prognoz-football.club/calculus_2_kenyatta_universityuaefz.pdfIn PDF document text
- https://cdn.sqhk.co/litalile/bgdxgib/zoposuporudukefutuda.pdfIn PDF document text
- https://cdn.sqhk.co/kixobaza/wggjhhf/jitizaruliduxazofebomep.pdfIn PDF document text
- http://websporizle4.com/enigma_otiliei_magyarulkt154.pdfIn PDF document text
- https://cdn.sqhk.co/zedazisem/YAvjOB3/83554891218.pdfIn PDF document text
- http://j3vnci4.xyz/nippon_paint_cataloguezrrtc.pdfIn PDF document text
- https://cdn.sqhk.co/lemisobe/jhdNAH1/hope_for_paws_rescue_videos_2016.pdfIn PDF document text
- http://vizit.store/36198660055y81l0.pdfIn PDF document text
- https://cdn.sqhk.co/xigofidiw/ifhiiiY/etisalat_uae_balance_check_ussd_code.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_1faf71c46a43414d935fb33adcb2688b.pdf?index=trueIn PDF document text
- https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_1485d0d84c0b42fd810ef712e7fe0676.pdf?index=trueIn PDF document text
- https://af30af13-e0b7-4de0-aca7-7783c01eade2.filesusr.com/ugd/9757e7_c62d1bcb948140199b07d494cb6f6f43.pdf?index=trueIn PDF document text
- https://9d1e48ad-bcd7-4831-9b7b-7108443a63b6.filesusr.com/ugd/136d07_627121b76db14b28a7ea6dbc42079bbd.pdf?index=trueIn PDF document text
- https://6f1239e7-da96-47bf-8adb-22d47a96a9da.filesusr.com/ugd/bb5a15_11cfb579bf764fca9c87e12647c4d9c9.pdf?index=trueIn PDF document text
- https://fab88ded-2f12-46c9-b6ec-f290036286cc.filesusr.com/ugd/cce69c_9d3efd44ba0640dead4f9af9c2c9eee9.pdf?index=trueIn PDF document text
- https://cb0508fd-2a1f-4901-a161-a76823ee8e4f.filesusr.com/ugd/52013e_52595fb248b54f9ea53a07c069de79f3.pdf?index=trueIn PDF document text
- https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_a856072597f042fcae67f3236be01e0c.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_off0000f9d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D8 | 5224 bytes |
SHA-256: cc4c55e3fe77690f6359147a22e7b2907a42c412d7cfcf60b7b5b6053801f2ff |
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font_01_sfnt_off00010b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9E | 11564 bytes |
SHA-256: a1b1482457741b3cc4d0552289893fff56cc31b459a58a30e9064fa05ad58f9b |
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