Malicious PDF — malware analysis report

Static analysis result for SHA-256 d036fc1ec8027e14…

MALICIOUS

PDF

72.8 KB Created: 2021-02-21 09:42:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 1fc290f109761154d60f4603025158ec SHA-1: fc4d121dec37b4bf46bfd5066cbe68a899590e70 SHA-256: d036fc1ec8027e1442bb8a022d21ff322715c0fa0e0851418985ac5932e899d5
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://maypoin.ru/wix?keyword=pirate+king+hack+apk+ios PDF link annotation
    • https://xazulifego.weebly.com/uploads/1/3/4/7/134727283/376c1b7.pdfIn PDF document text
    • http://sq11mini.com/429655295960wt5w.pdfIn PDF document text
    • http://vclean-sale.shop/sekuxobubabamejukukuqvh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478946/normal_60209b7545b29.pdfIn PDF document text
    • http://reduslim-italiaoficial.site/cateye_velo_wireless_manual_cc-vt200wtzmwk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446399/normal_6018309636598.pdfIn PDF document text
    • https://pafililesenuxag.weebly.com/uploads/1/3/5/9/135964876/bca02100edff63.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370746/normal_6000c3c2a8202.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375210/normal_600e21ce3e33c.pdfIn PDF document text
    • http://help-bluebadgecustomer.com/68305711623lccrn.pdfIn PDF document text
    • https://gewipilozu.weebly.com/uploads/1/3/0/7/130775211/foxalizes-jelerovosunima-lezatu-kumenolezigijed.pdfIn PDF document text
    • https://kitopelok.weebly.com/uploads/1/3/4/3/134355781/113d7a5.pdfIn PDF document text
    • https://pusetuliv.weebly.com/uploads/1/3/1/6/131607438/61523.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444626/normal_602d9fcd984bc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rubidokezive/61578469699.pdfIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/remasa.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_off0000dfe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFE8 5228 bytes
SHA-256: ed5bbcf93db35569e758ba6e69ad9ed6ed7cfae41b95b5764df7718568acfb27
font_01_sfnt_off0000f1af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1AF 10736 bytes
SHA-256: 6eb4ed9abd20420cd229bbcd39f0b92a1f2d1e4fa86537bad60cb49973e35fb5