Malicious PDF — malware analysis report

Static analysis result for SHA-256 0220117cd152f41f…

MALICIOUS

PDF

85.5 KB Created: 2020-12-24 18:41:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: fae090142be903fb9dde675d77b18baa SHA-1: 98b84f7f660789e45b49a64bbd5c23501a17bb34 SHA-256: 0220117cd152f41fb6f1932d3de202bb49479e76589ab436c8f933d3561439b2
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body, though partially corrupted, contains text related to 'Tiktok songs playlist 2020 september', likely a lure. An external URI pointing to 'traffset.ru' was extracted, which is highly suspicious and likely serves as the malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://traffset.ru/strik?utm_term=tiktok+songs+playlist+2020+september PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4416659/normal_5f95bfc9542ed.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4478415/normal_5fc7521cb7d9b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451033/normal_5fbc5903c2636.pdfIn PDF document text
    • https://cdn.sqhk.co/zolaxadivowe/ehaCUz1/ridanamigis.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426966/normal_5fae2d0a4d6b7.pdfIn PDF document text
    • https://cdn.sqhk.co/vudebalox/e7G2ia3/lobbying_synonym_in_urdu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421939/normal_5fb59f4c00272.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/7d787499-efcf-452d-83d4-69b8a81b6d40/wutiwi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a8db91f-7c8d-4331-8031-22f1ca79b8d6/bejaweruzebigunoxesotoli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3f9d36c-f26c-4a1f-821a-8003130c5f7e/tent_pole_repair_kit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1d3a193-0390-41b0-b27d-537538e6593b/wheel_bearing_cost_nz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c40f553e-e1dd-44c1-a5dc-bc7a4f3c05da/words_their_way_derivational_relatio.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35e427e4-3219-40b8-86cf-9cbb879f2fb4/xakuvovetuko.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001038c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1038C 5456 bytes
SHA-256: a987cb934f1db2fd5e401761cec0d4b87af478a6facd95b76cd90c10c448708e
font_01_sfnt_off000115f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115F7 11196 bytes
SHA-256: 4e03799fbd12474125978599af4207b03f0b7e7117939e13733d268026fa2f54
font_02_sfnt_off00013ac7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13AC7 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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