Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da02181b9807ee4…

MALICIOUS

PDF

78.5 KB Created: 2020-08-27 16:59:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60b396a4a75493cc825a446ac8ef28e7 SHA-1: 5e7e353b3f13ef662199fa157d8598ac07f425ed SHA-256: 1da02181b9807ee49de158d7a38b67b26be7895945aa6e5d36dee7528f3acca1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is also listed as an IOC. The document body, though heavily obfuscated, contains text related to 'jawbone mini jambox instruction manual' and the malicious URL, suggesting a lure for a product scam. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains, likely to obscure the malicious redirector.

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.ru/pify?keyword=jawbone+mini+jambox+instruction+manual
    • http://files.drsexymom.com/uploads/1/3/1/4/131453712/malafebibo_wunesil.pdf
    • http://jazuzemi.dollfaceglambar.com/uploads/1/3/2/6/132683169/rajisonizusebes.pdf
    • http://files.weaversmc.org/uploads/1/3/1/4/131438405/20414146379220.pdf
    • http://files.moodypig.com/uploads/1/3/0/9/130968984/7d418826.pdf
    • http://files.gbwebtuition.co.uk/uploads/1/3/0/9/130969075/jajojubozepimube.pdf
    • https://cdn.shopify.com/s/files/1/0461/1398/0580/files/98210154408.pdf
    • https://cdn.shopify.com/s/files/1/0438/2287/4781/files/difference_between_pedagogy_and_andragogy.pdf
    • https://cdn.shopify.com/s/files/1/0429/7284/0090/files/sexibefodojenom.pdf
    • https://cdn.shopify.com/s/files/1/0439/8533/8526/files/south_park_wiener_song.pdf
    • https://cdn.shopify.com/s/files/1/0438/2733/1232/files/facebook_messenger_voice_message.pdf
    • https://cdn.shopify.com/s/files/1/0439/2160/4763/files/68141966323.pdf
    • https://cdn.shopify.com/s/files/1/0434/9575/1842/files/efectum_pro_apkpure.pdf
    • https://cdn.shopify.com/s/files/1/0437/7195/3301/files/15568558023.pdf
    • https://cdn.shopify.com/s/files/1/0437/9593/9488/files/white_background_images_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/9452/4579/files/22872216893.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c043.bin
f4d29956d94a8c483014eeb8c1acc1474175ee30c6172d5e47aa5638a231c3ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC043 5192 bytes
font_01_sfnt_off0000d1e1.bin
9e8ca731bf7836e5d26999185a01ec0426c4126692bdbb569cbb3cc8719cdce1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD1E1 17600 bytes
font_02_sfnt_off000107c7.bin
5c3574ece4a3685f44a9a3b28b331495425268545f528281b12591949e41e1f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x107C7 16476 bytes
font_03_sfnt_off00011dea.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11DEA 4324 bytes

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