MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was flagged by multiple heuristics, including ML classifiers and ClamAV, for being a malicious PDF. It impersonates UPS to lure users into clicking a link that redirects to a phishing page, aiming to steal credentials. The embedded URLs and the nature of the heuristics strongly suggest a credential phishing attack delivered via a malicious attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://bafovulik.weebly.com/uploads/1/3/1/0/131070506/pezalomakabone.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://zajinet.ru/wix?keyword=executive+branch+worksheets+high+school PDF link annotation
- http://women-ita.space/2nd_grade_symmetry_worksheetsnayxy.pdfIn PDF document text
- https://cdn.sqhk.co/napumefu/u8hhLUx/online_html_compiler_w3.pdfIn PDF document text
- https://cdn.sqhk.co/vavewiminiv/ghQhjdy/vice_city_game_play_online_pc.pdfIn PDF document text
- https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/pezalomakabone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414851/normal_603399d96b637.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418370/normal_5fee4845d9211.pdfIn PDF document text
- http://fastpeysistem.online/dream_of_teeth_falling_out_rotten7hcjh.pdfIn PDF document text
- http://collegegraduatecentraldating.com/kotepusazagezidebav8qpcj.pdfIn PDF document text
- https://wisolowiguwo.weebly.com/uploads/1/3/4/6/134630140/a09fbab9b3d5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471941/normal_5fc8033d2aa4b.pdfIn PDF document text
- https://cdn.sqhk.co/ganuniwiku/iepKVyx/mr_bullet_gameplay.pdfIn PDF document text
- https://bovefunovowuto.weebly.com/uploads/1/3/0/8/130873908/wegexofirafux_tivewiwi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/bf2c6fc1-6ec9-4786-8e99-04c8d354d83f/bill_nye_rock_cycle_video.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d2a9e48-2295-4dc2-8e0c-703266bc938b/linusoxapoxuwuki.pdfIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_e6270d21720c4bb2978b2e6fa1365137.pdf?index=trueIn PDF document text
- https://29159626-56e2-4eb2-a8c1-eb081f451e44.filesusr.com/ugd/a58502_e8d831c16af84b1d82e0effcd34501b4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/88feea4d-5a48-48bc-a94d-767d333acb7f/farexefarasuxilobugutif.pdfIn PDF document text
- https://bb4a6ffa-96d3-4132-94d3-a1d2cbc717b0.filesusr.com/ugd/0182ef_b00803efb0894d18bc41d0aba2e7a7ef.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_off0000ed42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED42 | 5444 bytes |
SHA-256: 64ad0491940b9762dae4710e2cba789f6bfcd28f1ffcac425095bee2eb3b6d99 |
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font_01_sfnt_off0000ffde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDE | 10652 bytes |
SHA-256: 6da81f09b42aa8dd44218a2715d544930566a5e4269dd8923c5311b34fd47ab1 |
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font_02_sfnt_off0001244a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244A | 16212 bytes |
SHA-256: 8217aa597d91487444ba6f43fe0021d7950611bf8d31e990f4c2c0ab1fb50fae |
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