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 0.9991
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://xajibur.ru/123?utm_term=business+information+services+industry PDF link annotation
- https://cdn.sqhk.co/xumesapaxoku/7bhdkm3/desigaf.pdfIn PDF document text
- https://cdn.sqhk.co/datimemovuko/3pL28X6/61884478068.pdfIn PDF document text
- https://cdn.sqhk.co/bisegepamitu/chjggij/55490276688.pdfIn PDF document text
- https://kenazago.weebly.com/uploads/1/3/1/0/131070597/9432075.pdfIn PDF document text
- https://gawuwusirijer.weebly.com/uploads/1/3/4/1/134108670/6619445.pdfIn PDF document text
- https://cdn.sqhk.co/mekibekowufe/luRhjhb/professional_cleaning_services_llc.pdfIn PDF document text
- https://cdn.sqhk.co/diwidivu/hdgdEij/android_tv_x86.pdfIn PDF document text
- http://siluvuxifebul.medianewsonline.com/complicaciones_del_trasplante_de_medula_osea.pdfIn PDF document text
- http://dotekebenutedex.scienceontheweb.net/gazapigevebomepumavi.pdfIn PDF document text
- https://cdn.sqhk.co/gepumenujeme/hdlhbhj/school_days_movie_cast.pdfIn PDF document text
- https://lamonide.weebly.com/uploads/1/3/4/0/134096931/05ba11395.pdfIn PDF document text
- https://cdn.sqhk.co/rarinuva/4ijnheZ/mutetavurefafojizul.pdfIn PDF document text
- https://wosutazewaxutu.weebly.com/uploads/1/3/0/7/130775331/moximu.pdfIn PDF document text
- https://cdn.sqhk.co/pofaxexaxi/hif5P1t/2657578928.pdfIn PDF document text
- https://cdn.sqhk.co/mekaxosur/henx4VD/misezusatumabipudu.pdfIn PDF document text
- https://cdn.sqhk.co/pojimisuso/a7kgchi/ios_apple_store_download.pdfIn PDF document text
- https://fukusegoboviv.weebly.com/uploads/1/3/1/8/131856281/pesodaramid.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7ec9ed57-df89-401a-953b-45744c150cee.filesusr.com/ugd/6e3131_f5c6d8bd0f994015aa462d1b2dc658e4.pdf?index=trueIn PDF document text
- https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_754aabd6d17347d88e5fc6c8e173d1d1.pdf?index=trueIn PDF document text
- https://04c936c6-ffa4-4e5e-9cf6-d086164b7bfa.filesusr.com/ugd/370ea2_f9bc677fdfe647878812eb8475dfcd2a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b0605025-1487-4f28-90b4-bd52dc0b7a94/acer_aspire_e15_walmart.pdfIn PDF document text
- http://mubodadekutaxim.atwebpages.com/468392551.pdfIn PDF document text
- https://4b0cdf75-2e42-4830-99f1-bbdbaec3f661.filesusr.com/ugd/891219_077ba360061644dd9c030e45644b9df1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/36957fdc-bf2c-4070-aa81-45e2dccfba94/ikea_malm_twin_bed_instructions_old.pdfIn PDF document text
- http://wuwedilejom.myartsonline.com/suxuxil.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_off000101ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CA | 38068 bytes |
SHA-256: 4b773dbb407482bb7630a623759505e9d1cfafbb3b4f1bb7680f7b87a3605ebd |
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font_01_sfnt_off0001760d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1760D | 5344 bytes |
SHA-256: 39631d00b13ec2858efc41d0d1e2e2c9f502a058b1d3a888c2b66507fd9e7086 |
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font_02_sfnt_off00018833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18833 | 12908 bytes |
SHA-256: 299efedae91597250aa173bbc51b42a322ca73dcdc14a62e9aa8cd2e3898f25b |
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