Malicious PDF — malware analysis report

Static analysis result for SHA-256 103e6047ee72ec98…

MALICIOUS

PDF

57.4 KB Created: 2020-12-22 13:29:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e0f35f770d0618c2c0e8e93ca537ef05 SHA-1: 51e327b18296519d9114333d00f67ddb2752dc30 SHA-256: 103e6047ee72ec98f52d8c11d05b5c4405f77b1c25ea284f4f47f3c201c15cf4
94 Risk Score

Malware Insights

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

The file is identified as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains an embedded URI pointing to 'traffset.ru', which is likely a phishing or malware distribution domain. Although no scripts were explicitly extracted, the PDF structure and the presence of an external URI suggest an attempt to redirect the user to a malicious site, consistent with spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8253

Heuristics 3

  • 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
  • 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://traffset.ru/strik?utm_term=the+running+room+store+hours
    • https://cdn-cms.f-static.net/uploads/4490974/normal_5fdafe1b41cfd.pdf
    • https://cdn-cms.f-static.net/uploads/4478703/normal_5fbf65414293a.pdf
    • https://static.s123-cdn-static.com/uploads/4406775/normal_5fc7c5ad25a21.pdf
    • https://cdn-cms.f-static.net/uploads/4465274/normal_5fbfda40821ca.pdf
    • https://cdn-cms.f-static.net/uploads/4383913/normal_5fb00201d7457.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/puretulenuza/charleston_s_restaurant_nutrition_guide.pdf
    • https://s3.amazonaws.com/zaxawetawupo/4840324174.pdf
    • https://static1.squarespace.com/static/5fc576008ef7301f8b2fc014/t/5fd60e0e164d0f203c719798/1607863823328/manual_acronis_true_image_2017.pdf
    • https://static1.squarespace.com/static/5fdfdbf19d00c472c28c2758/t/5fe0dc8f3629871941f63e10/1608572047900/suworomepawevoneruwikido.pdf
    • https://static1.squarespace.com/static/5fc54d6ff7cf8c754047e780/t/5fcc174a5177ea328cb0b05a/1607210827438/tejax.pdf
    • https://s3.amazonaws.com/mogipegi/85420815196.pdf
    • https://s3.amazonaws.com/rekawexuretowo/dragoon_rotation_lvl_50.pdf
    • https://uploads.strikinglycdn.com/files/7e325169-70ee-438e-a9f3-26a0546123f5/23321943836.pdf
    • https://static1.squarespace.com/static/5fc78a35778af068263f1171/t/5fd0495ffc93c51d16da11e2/1607485794313/show_me_sonny_bono_s_funeral.pdf
    • https://static1.squarespace.com/static/5fde7a4bff074777c9848638/t/5fdf7f0a1c66f52f5f9f5b17/1608482572972/photoshop_cs2_32_bit.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d269.bin
74add8d5b070b08678cd61f033c50e0305668e6640e9401b14313d724dfdb626		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD269 4804 bytes

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