Malicious PDF — malware analysis report

Static analysis result for SHA-256 95e0c8038d8822c8…

MALICIOUS

PDF

75.2 KB Created: 2021-01-30 06:07:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 6edee4b4f583d160e6341620d59b2ba2 SHA-1: d9d406063d74d59ebce05c35f96f0dd3bff33dd7 SHA-256: 95e0c8038d8822c8474d16083d94dc174eedbd1e0faaa00510ff8d2f034bbc6f
156 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious and phishing-related. It contains a large number of external links, suggesting a link farm or phishing campaign. Although no scripts were explicitly extracted, the PDF structure and embedded URIs indicate an attempt to redirect users to malicious or deceptive content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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/aws?utm_term=padman+movie+hd+video+songs+free PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417226/normal_5fc9ec92ee17a.pdfIn PDF document text
    • https://jejepijukutu.weebly.com/uploads/1/3/4/1/134131362/dofatokejis_xivulolabuxe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368246/normal_6007582536b30.pdfIn PDF document text
    • https://suxozunepewax.weebly.com/uploads/1/3/2/8/132814427/lelelekusabon_kupubeduk_zekumipa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374013/normal_5ffdd330e29f5.pdfIn PDF document text
    • https://tejaxoxujita.weebly.com/uploads/1/3/4/3/134368030/5831671.pdfIn PDF document text
    • https://dubezotamepaloj.weebly.com/uploads/1/3/5/2/135297843/a4d8f1d259be7c.pdfIn PDF document text
    • https://pajenugemin.weebly.com/uploads/1/3/4/6/134677616/nilamot.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366000/normal_60020a35869d8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://besuwodusibix.rf.gd/igg_games_academia_school_simulator_free.pdfIn PDF document text
    • http://sapakebozo.rf.gd/sakiwuxudasabikojol.pdfIn PDF document text
    • http://gavasirobodi.rf.gd/caution_signage_template.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/kelvinator_oven_manual.pdfIn PDF document text
    • http://kowewewabozete.epizy.com/daritilorexodewiravuselos.pdfIn PDF document text
    • https://s3.amazonaws.com/kefiperizonofu/zinujirus.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_off0000eab9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAB9 5348 bytes
SHA-256: cf042985723213a8df21a25e91fe6b3d601c48e461d918237f56dff89583fc36
font_01_sfnt_off0000fccb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCCB 10292 bytes
SHA-256: 4d667ce145dc2a761cf9b066ad5ffd4eea963863293c52c2cfed5d29f26c1801

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