Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8e302cab7caa15f…

MALICIOUS

PDF

145.6 KB Created: 2020-11-18 17:13:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 801eb4be898c1d9c7f7e6d2311b531cc SHA-1: 18fe3667b64c97b823fa9dc9510d21726abbf77a SHA-256: f8e302cab7caa15f0552d1378603d1f684c41de975e010c3a980a94bc46a3324
96 Risk Score

Malware Insights

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

This PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. It contains an embedded URI pointing to 'https://trafficel.ru/strik?utm_term=pathfinder+vitalist+guide', likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to a 'Pathfinder vitalist guide'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://trafficel.ru/strik?utm_term=pathfinder+vitalist+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4421983/normal_5fa3d22f0c940.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376087/normal_5f8b72ec28c2b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468531/normal_5fb472dbc3bb2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410962/normal_5fa46975af061.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443803/normal_5fadacd4a0827.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377377/normal_5fb3fd33c2795.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452618/normal_5fa393b1c068b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/2608568c-3fb0-43e2-b8ff-914458072bf5/5947330605.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0599dc8a-5d68-45a7-b298-5b5e17e823af/the_laws_of_the_spirit_world.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76d21bea-fc19-4ae3-9b9b-715131583b4d/my_time_at_portia_seafood_noodles.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f7e3961-8404-4e62-ba13-60da61e8b371/rocket_league_free_download_unblocked.pdfIn PDF document text
    • https://s3.amazonaws.com/vitelitubovuluj/siwufigoju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/844d72d8-30e1-44ca-9d56-d9fb4dccea36/wuluniriza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ac8fcb9-a293-4f7f-8f65-6413cbdaba8a/49673107258.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_off000200f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x200F5 5228 bytes
SHA-256: 8904f470678bdc945cdced86e6d81162f7f2585b803b3066f92fb79ed6e08119
font_01_sfnt_off000212c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x212C4 11248 bytes
SHA-256: 598d4ad57b8ba5412bf216d4d5b5f55a9d6aca5aa582c51d4615807a483a39fe

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