Malicious PDF — malware analysis report

Static analysis result for SHA-256 d67a6f0245f9f244…

MALICIOUS

PDF

84.4 KB Created: 2020-12-25 23:44:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 46de100b3bcdb6fcfe195ffd3de94059 SHA-1: e95e681b30285c540b29b1101c1acc5977599c80 SHA-256: d67a6f0245f9f24488c1cd1ba5f1c635b852dd194c5929be939ea6a3a5b842ef
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded links, many of which point to suspicious or known malicious redirector infrastructure. The primary malicious link identified is 'https://traffine.ru/strik?utm_term=football+manager+2019+league+one+signings', which is associated with a known malicious redirector. The file's structure and the presence of a large number of external links suggest an attempt to drive traffic to potentially harmful websites, likely for phishing or malware distribution.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://traffine.ru/strik?utm_term=football+manager+2019+league+one+signings In PDF document text
    • https://cdn.sqhk.co/tumozaraf/yoajiGe/tropico_6_ps4_ign_review.pdfIn PDF document text
    • https://cdn.sqhk.co/dasoxitif/y9lZjfq/47568635353.pdfIn PDF document text
    • https://puzomukasudugun.weebly.com/uploads/1/3/4/8/134865935/lugiza-fagoxu-kebula-kavopatumifasa.pdfIn PDF document text
    • https://cdn.sqhk.co/sezivalaw/QHyEggW/18960115651.pdfIn PDF document text
    • https://lupilizeranal.weebly.com/uploads/1/3/4/4/134460298/fulobusuma.pdfIn PDF document text
    • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/daduzapis-nexugedupol-bawis-momenazux.pdfIn PDF document text
    • https://jolezutixuzusav.weebly.com/uploads/1/3/4/6/134605000/fagituluwuwe-divijofevasulig-tisagumudoxu-kixugofije.pdfIn PDF document text
    • https://cdn.sqhk.co/gugapedulob/ghiKUGx/bapir.pdfIn PDF document text
    • https://cdn.sqhk.co/domuduxuro/jahbhET/kerafumo.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://uploads.strikinglycdn.com/files/52a7bf74-874a-48fb-b515-7dd3ed46226c/96258466477.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab49b92d-c4ed-484b-baf0-3258a15e25a2/gowutifogeferamutomukud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1c52293-dc6b-4036-8227-040d48220859/rikojonizabipux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1d21d9d-5a31-458e-bcc9-17de5cd0cae9/dr_fone_apk_pc.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea14ed32-45db-4fb6-a39c-027333c01b46/ferasixisebuwutovulu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40a3640a-747e-4d9c-b9c2-dc27770d2dbc/areas_of_knowledge_human_sciences.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52b7c02c-3629-4afb-a688-5aadd00d283a/ipsd_204_il.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_off0000fffa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFFA 5464 bytes
SHA-256: b0d866b80122d4173e49a1ef040719d79a01d0eef2e36d5e565828d1459cd6ab
font_01_sfnt_off00011272.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11272 10424 bytes
SHA-256: a44360d0169c2318351b2a7ae83f877eb7f7d723e423610c4b3539612e401890
font_02_sfnt_off0001363d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1363D 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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