Malicious PDF — malware analysis report

Static analysis result for SHA-256 e14ea659761918a1…

MALICIOUS

PDF

79.0 KB Created: 2021-03-23 09:02:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 1d21d8708686d61ddf73fd092e22df7f SHA-1: 1fe58403d564ffe5013592f314d762f5182f0028 SHA-256: e14ea659761918a1529189187963d91163135fe69d653cbc18a5ad98b9d3dd22
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains references to 'sniper fury hack mod apk', suggesting a lure for users seeking game cheats or modifications. The presence of numerous external URIs, many pointing to disposable hosting or link farms, further supports a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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=sniper+fury+hack+mod+apk PDF link annotation
    • https://cdn.sqhk.co/rubogomuweme/tgcymgg/xufurexebotikipisazaxi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448551/normal_5ff27ac5c2c1f.pdfIn PDF document text
    • http://bukibiroxofin.22web.org/bakugan_battle_brawlers_nds_rom_zip.pdfIn PDF document text
    • https://cdn.sqhk.co/kimejijomaki/fNjeGS4/playstation_network_sign_in.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385612/normal_60565367c17ca.pdfIn PDF document text
    • http://vofanepukasur.22web.org/68504090525.pdfIn PDF document text
    • http://tusukezilineji.66ghz.com/how_do_you_start_a_homelite_pressure_washer.pdfIn PDF document text
    • http://totukatipuletu.22web.org/uncovering_student_ideas_in_science_25_formative_assessment_probes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501775/normal_603a659e4c096.pdfIn PDF document text
    • https://cdn.sqhk.co/tefegegesuxe/djbiawO/pldt_pay_express_online_link.pdfIn PDF document text
    • https://cdn.sqhk.co/duzokezubeka/fghQyZp/rise_of_skywalker_cast_general_pryde.pdfIn PDF document text
    • https://cdn.sqhk.co/wajerewuwer/igjbFG5/tiwojulekixabewuvob.pdfIn PDF document text
    • https://cdn.sqhk.co/kuxazigozo/bidigko/55263880242.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410027/normal_6017709c1b3f6.pdfIn PDF document text
    • https://cdn.sqhk.co/nasubivapu/jeb87GI/pusokotuwag.pdfIn PDF document text
    • http://dipufuvolog.iblogger.org/gorozuvoku.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bipedok.epizy.com/95669224403.pdfIn PDF document text
    • http://jijabivu.epizy.com/17194640748.pdfIn PDF document text
    • http://ximawefab.epizy.com/lumunov.pdfIn PDF document text
    • http://sidakofonol.epizy.com/canadian_passport_application_child_form.pdfIn PDF document text
    • http://luwemazezabubat.rf.gd/loctite_567_thread_sealant_safety_data_sheet.pdfIn PDF document text
    • http://demunoj.epizy.com/sesovibigoxezelofanagob.pdfIn PDF document text
    • http://gifesikubelazu.epizy.com/philips_aquatouch_at887_manual.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB81 5456 bytes
SHA-256: 21d25cd9de55d2b6d88399eebba5e57b1f17cd3850bb5d2d3e4c662fdd8765be
font_01_sfnt_off0000fdef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDEF 21512 bytes
SHA-256: 07619350205abd92a38d0e7941f290db81999b7ad949f2db81bddb694f9606e9

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