Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6066d7d14adb29a…

MALICIOUS

PDF

44.1 KB Created: 2020-08-09 04:58:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66e777f2141159adb2d27bb98fb6c894 SHA-1: bf25bff92bae16f0e15593ce06cd79e83ae3dfe9 SHA-256: e6066d7d14adb29a69f15ff821c81f5af58c59ab54044cecd6b090711087f619
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=asymmetric+information+in+financial+markets+pdf. The document body, though heavily obfuscated, contains references to this URL, suggesting it's the intended destination. The presence of a link farm further indicates a malicious intent to distribute or redirect users.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.com/pify?keyword=asymmetric+information+in+financial+markets+pdf
    • http://kixef.unraveledportland.com/uploads/1/3/1/1/131164250/d2842787.pdf
    • http://files.shelterwoodconsulting.com/uploads/1/3/2/7/132712383/8473591.pdf
    • http://kawudoti.gpielks.org/uploads/1/3/1/4/131406390/eb4b1f7401.pdf
    • http://files.youngwoodparknpool.com/uploads/1/3/1/4/131437295/7927536.pdf
    • https://cdn.shopify.com/s/files/1/0431/1685/5457/files/17781727653.pdf
    • https://cdn.shopify.com/s/files/1/0432/7306/0520/files/let_the_drums_speak_bernard_purdie.pdf
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/63097201011.pdf
    • https://cdn.shopify.com/s/files/1/0432/2626/7816/files/numataxuv.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30899714004.pdf
    • https://cdn.shopify.com/s/files/1/0438/1474/8322/files/ios_10._2_public_beta_5.pdf
    • https://cdn.shopify.com/s/files/1/0431/8897/7813/files/zinixexakurejav.pdf
    • https://cdn.shopify.com/s/files/1/0432/3462/3643/files/dovimobatuvikesezetavi.pdf
    • https://cdn.shopify.com/s/files/1/0435/3985/7563/files/zowomorasutidarevawaso.pdf
    • https://cdn.shopify.com/s/files/1/0428/8308/8547/files/nosawomazedaso.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006dd1.bin
282e9befc8f2ca83f606318ea3367ab21a43dc4fdaa2ebd015d6950dc13c8e8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD1 5456 bytes
font_01_sfnt_off00008055.bin
d5cb91fb0b8768c82437861ff1bae107f55596db556000f286ef22519fe7f6af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8055 10268 bytes

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