MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a link farm with numerous external URLs, many hosted on disposable domains, designed to redirect users. The heuristic 'SE_BRAND_CREDENTIAL_PHISH' indicates a lure impersonating Microsoft, directing users to a redirector URL that likely leads to a credential harvesting page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://xizidalubatud.weebly.com/uploads/1/3/4/5/134583516/7285226.pdf.
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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://dugedepap.ru/strik?utm_term=how+do+you+find+the+angles+of+a+right+trapezoid PDF link annotation
- https://xizidalubatud.weebly.com/uploads/1/3/4/5/134583516/7285226.pdfIn PDF document text
- http://kakorixow.mygamesonline.org/63294496303.pdfIn PDF document text
- https://mikugixu.weebly.com/uploads/1/3/1/4/131438693/981d792b3a94cf5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467036/normal_6027a93c02afe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390071/normal_5fe06d7c60c93.pdfIn PDF document text
- https://jaxevilin.weebly.com/uploads/1/3/1/6/131606955/votukukozupa.pdfIn PDF document text
- https://tusezewepoxir.weebly.com/uploads/1/3/4/3/134339989/7166055.pdfIn PDF document text
- https://sawamamuwez.weebly.com/uploads/1/3/5/9/135992332/sakewevapeba_vutamuba_vozosafolusikag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413239/normal_6055a39ea5e8c.pdfIn PDF document text
- https://jifosibupegexuv.weebly.com/uploads/1/3/4/6/134692258/76da0.pdfIn PDF document text
- https://kezuvuxir.weebly.com/uploads/1/3/2/8/132814306/vagatejifosituziliz.pdfIn PDF document text
- https://givomolakif.weebly.com/uploads/1/3/4/7/134719940/1706538.pdfIn PDF document text
- https://nokajadum.weebly.com/uploads/1/3/4/8/134887388/mosasaso.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://557345b1-98c6-442d-b460-9e357c178e5b.filesusr.com/ugd/dfb5f8_498ffcefce6d4027bae54e3e5aff0c78.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/perurulexi/86934858487.pdfIn PDF document text
- https://4c2674ec-1430-4cec-a455-d6a35d10586e.filesusr.com/ugd/38955b_25d50be7108d4c828fabd9f02d5f1edb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/banula/tevaperikeranijurojudob.pdfIn PDF document text
- https://s3.amazonaws.com/xuxifuzituwu/suunto_core_all_black_military_mens_outdoor_sports_watch.pdfIn PDF document text
- http://doriponesarom.myartsonline.com/enfermedad_cerebrovascular_isquemica_2020.pdfIn PDF document text
- https://s3.amazonaws.com/pasawexawinogad/hp_envy_4500_printer_manual.pdfIn PDF document text
- http://tosurok.myartsonline.com/bodekuvefede.pdfIn PDF document text
- https://eb22cd64-ba88-4d74-9269-d2b8937e52af.filesusr.com/ugd/3b217d_1d80b90183ab45a3aab020a055d13875.pdf?index=trueIn PDF document text
- https://2ad55d82-15d9-4995-b72c-f03dca93b5f4.filesusr.com/ugd/11b7eb_f672c017c1cc46a3a9864e52497249a4.pdf?index=trueIn PDF document text
- https://9de673a2-3b8e-40eb-bbf5-c0ad8e71a3da.filesusr.com/ugd/bd5c68_1c8a3044ff4344cf9f950eecaf286006.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF256 | 5508 bytes |
SHA-256: 6ff02dc511550e856b5fb1225983c895e22a79b9416fa090edaeed492bd64fa1 |
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font_01_sfnt_off00010533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10533 | 12288 bytes |
SHA-256: fda56ce999b66602cd006ceb9619ae83427599991e3786b1756656c1507bfac6 |
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font_02_sfnt_off00012f8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8D | 16072 bytes |
SHA-256: 4ce97752c8d1ed0b0302a1507788019c6b738cc3ee96ca273f61f92c287db7cd |
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