Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85cab96e11e202b…

MALICIOUS

PDF

69.0 KB Created: 2021-02-19 07:15:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 7196438c4a24f9b78374308fe0a130b9 SHA-1: 19622e9bbea331d1468fc97ec30cdf6614b56599 SHA-256: d85cab96e11e202bcbd784f21e03ea341ad9917e1c29c7a5511c86313734e349
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • 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://jacksth.ru/wix?keyword=go+sms+pro+apk+premium PDF link annotation
    • https://kikuwigew.weebly.com/uploads/1/3/1/4/131407235/xifupijaniso.pdfIn PDF document text
    • https://cdn.sqhk.co/dojidavos/cbhbic5/26909626470.pdfIn PDF document text
    • https://xigefazevape.weebly.com/uploads/1/3/4/6/134632801/4984e94f9e133.pdfIn PDF document text
    • https://cdn.sqhk.co/votawusebak/EghrhdK/35582106827.pdfIn PDF document text
    • https://gapikedezasede.weebly.com/uploads/1/3/1/4/131438622/c6b5872e86dc00.pdfIn PDF document text
    • https://cdn.sqhk.co/gerukoso/abgczTG/8913396653.pdfIn PDF document text
    • https://cdn.sqhk.co/gofelaxes/guLsWjh/37871199756.pdfIn PDF document text
    • http://begemot.space/xikewojewitexapanekimtigs.pdfIn PDF document text
    • https://cdn.sqhk.co/zakolemafemo/iaFedjd/ice_cream_truck_sound_roblox.pdfIn PDF document text
    • https://nuxelimifa.weebly.com/uploads/1/3/0/7/130776070/1151000.pdfIn PDF document text
    • http://afracheat5.xyz/formation_bijoux_fantaisie_bordeaux3zbfx.pdfIn PDF document text
    • http://xujilutobidiko.iblogger.org/chopin_nocturne_op_9_1_sheet_music.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://miwefonozez.epizy.com/australian_super_investment_options_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/navoburarovada/examples_of_logic_questions_with_answers_english.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/32989558761.pdfIn PDF document text
    • https://s3.amazonaws.com/mekonulegipero/amcor_amd_7200_dehumidifier_manual.pdfIn PDF document text
    • http://jixenefotudak.epizy.com/capteur_ccd_et_cmos.pdfIn PDF document text
    • https://s3.amazonaws.com/jepinebawo/cul_es_la_forma_de_comunicacin_de_las_aves.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_off0000d2ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2FF 5028 bytes
SHA-256: 98a84b281f3144e7fe3f656d7d296edd4ecf0004b023f029bfb5956ef8f0fd23
font_01_sfnt_off0000e405.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE405 10536 bytes
SHA-256: 57556bc06010c1804b7bad789189e8ef1289e65c75478d2ca298525ae2445d0f

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