Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04ab7fed39e1125…

MALICIOUS

PDF

80.6 KB Created: 2021-02-14 04:09:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 0a36be71cdd4ace8578772b3accbbd76 SHA-1: 044672e8085c14f7f8b0493322278f6dfb9e3b27 SHA-256: e04ab7fed39e1125f10ec67e90b2835142c83c96a4a379996c8e0fbf34a1c1b4
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded URLs pointing to external resources, one of which is `https://jottigo.ru/123?utm_term=sonic+action+figures+jazwares`, suggesting a lure to a potentially malicious site. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are consistent with phishing or malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/123?utm_term=sonic+action+figures+jazwares PDF link annotation
    • https://cdn.sqhk.co/guxuboru/hiLgjgh/bee_factory_app_max_level.pdfIn PDF document text
    • https://cdn.sqhk.co/nujudemugipi/kihhaHY/sevatogopapukiwasu.pdfIn PDF document text
    • https://faxezufag.weebly.com/uploads/1/3/0/8/130874059/039183f.pdfIn PDF document text
    • https://cdn.sqhk.co/vefusujix/fqhjjji/passport_photo_hair_colour_change.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4527747/normal_6002c81300625.pdfIn PDF document text
    • https://cdn.sqhk.co/xenivoronizu/fWs29jf/86856238682.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401546/normal_602693538a14c.pdfIn PDF document text
    • https://ruwatija.weebly.com/uploads/1/3/4/8/134846771/5054186.pdfIn PDF document text
    • https://cdn.sqhk.co/konafomaz/hcgijdQ/95434846349.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419003/normal_5ffb422841766.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386613/normal_600c87b88c948.pdfIn PDF document text
    • https://cdn.sqhk.co/viwiratoposu/OhdHigp/happy_wheels_2_online_free.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366032/normal_5ffcfb4031c6e.pdfIn PDF document text
    • https://cdn.sqhk.co/diwomijo/igjTMhd/tasebevifaxoli.pdfIn PDF document text
    • https://rofewure.weebly.com/uploads/1/3/3/9/133999154/083d069132d6e7a.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/bomupi/zazopavasokonamijiwekexep.pdfIn PDF document text
    • https://s3.amazonaws.com/kisimujuk/73152399094.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_off0000ffbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFBC 5336 bytes
SHA-256: 029e73a2ad6a008211c8b516469a37f2060403ba0f9786b4f55b7deae416f39f
font_01_sfnt_off00011217.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11217 10344 bytes
SHA-256: 4b9bf3c1b9e888ede865dc50bd825143fe7fd674f5c2eb01c5c41a0bdfeddf09

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