Malicious PDF — malware analysis report

Static analysis result for SHA-256 029fc8990ac7dde3…

MALICIOUS

PDF

72.4 KB Created: 2021-02-18 23:30:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 7d5448d5cfad6fb17b27e2b7834e781f SHA-1: 9c83e3960229a0e5891d2225a453cbe3baf19c15 SHA-256: 029fc8990ac7dde30b01458f6d05262c5ef255afeeb203776c4627e53b2d1da3
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/wix?keyword=cuisinart+pressure+cooker+user+manual PDF link annotation
    • http://bhd-management.space/world_travel_market_berlin_2020y1yww.pdfIn PDF document text
    • https://cdn.sqhk.co/zanaforare/jgg1Rgh/67624422673.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451949/normal_602a7dc328046.pdfIn PDF document text
    • http://hotloveme.online/theories_of_entrepreneurship_motivationbzaiz.pdfIn PDF document text
    • https://vepovipozo.weebly.com/uploads/1/3/4/4/134472033/a383067.pdfIn PDF document text
    • https://kaxogirigajel.weebly.com/uploads/1/3/4/6/134611066/xopipesudibu-vepiv.pdfIn PDF document text
    • http://questotzvezd.space/131362633714efns.pdfIn PDF document text
    • https://fovivijidilel.weebly.com/uploads/1/3/4/8/134888041/duzujeva_tasurufevom.pdfIn PDF document text
    • https://cdn.sqhk.co/tosilura/HidhfCC/2670044529.pdfIn PDF document text
    • http://shtangennstutkupitseychas.xyz/groups_of_the_periodic_table_worksheet_answersdqbqi.pdfIn PDF document text
    • https://kemebawe.weebly.com/uploads/1/3/5/3/135313751/4467814.pdfIn PDF document text
    • https://cdn.sqhk.co/bibunifez/K9ggGji/zerititikolopewotenagagit.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389387/normal_5fff4c9929d79.pdfIn PDF document text
    • https://cdn.sqhk.co/powitaxixu/dghgdu7/thoroughbred_xmas_lights.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/sefiwegegagu/44947438975.pdfIn PDF document text
    • https://s3.amazonaws.com/fekazudabo/ordering_fractions_and_decimals_worksheet_tes.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.

FilenameKindSourceSize
font_00_sfnt_off0000d234.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD234 5048 bytes
SHA-256: 7235989fc2f29959967359c869e6d0e6814de5a650c47aebadda7f12bf8ee976
font_01_sfnt_off0000e345.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE345 10148 bytes
SHA-256: 03f44907b886ff91dbcb75a7f7adad9a33db945ced8fa9ea37a556fda11883ee
font_02_sfnt_off000105ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105FF 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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