Malicious PDF — malware analysis report

Static analysis result for SHA-256 002e0912d3a138e1…

MALICIOUS

PDF

76.9 KB Created: 2020-11-17 18:21:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 5031ce5a4c624bd9c0369c13a002d8d9 SHA-1: 1300e7e84bf6a8714a33db409d2490310659012a SHA-256: 002e0912d3a138e102e92ca1d6f31c4618bbbd5fff08099070e1893b75fdc974
214 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body is heavily obfuscated and appears to be a lure, likely intended to redirect users to phishing or malware distribution sites.

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://gettraff.ru/strik?utm_term=autobiography+of+a+face+pdf In PDF document text
    • https://gatofofuxiwiv.weebly.com/uploads/1/3/4/2/134265530/11921626.pdfIn PDF document text
    • https://pivozedotafi.weebly.com/uploads/1/3/1/0/131070355/e1f2b21.pdfIn PDF document text
    • https://ladasewesadil.weebly.com/uploads/1/3/4/6/134665294/9a68b.pdfIn PDF document text
    • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/kakupiwuzupa-wipakigogak-zobofega.pdfIn PDF document text
    • https://somanenor.weebly.com/uploads/1/3/4/4/134472611/wixajo-demobevimona.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/mizeteb/ho_scale_4-4-2_steam_locomotive_model.pdfIn PDF document text
    • https://s3.amazonaws.com/vebogotexaf/58107348539.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/certificat_de_vente_de_terrain_au_cameroun.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/lomaxajanadujabeziko.pdfIn PDF document text
    • https://s3.amazonaws.com/megulu/derivation_formula_in_physics.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/34586210343.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5650848-13d9-4fdb-9c53-0d81e23a932e/64793787398.pdfIn PDF document text
    • https://s3.amazonaws.com/sizadagazagaj/buy_monovalent_streptavidin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4192e715-404e-4068-9808-78b2e86fad5d/photoshop_touch_apk_pure.pdfIn PDF document text
    • https://s3.amazonaws.com/vebogotexaf/create_apple_id_on_android.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_off0000efff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFFF 5440 bytes
SHA-256: 5c6cf2b1b1b19471a2cbc7af721f86e0bb4aec589047a7d9f450c85fed46da55
font_01_sfnt_off00010288.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10288 10712 bytes
SHA-256: c41feebe12bdbb1edefdd81f82757436ae4a7142dab06c6f265de6f0105d92e2

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