Malicious PDF — malware analysis report

Static analysis result for SHA-256 56fe0544781420a1…

MALICIOUS

PDF

45.2 KB Created: 2020-08-19 11:00:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 80fd05967c946aa502cd34c1977d887b SHA-1: 66256195b71bf671e2c0720588c8f7e466aa99a6 SHA-256: 56fe0544781420a1423a984a4789b7d8718f5518457b53bd173c44c40cdb5249
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, specifically pointing to 'ttraff.com'. The document body, though partially obfuscated, contains the same URL and a lure related to configuring email on Android. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The primary malicious IOC is the ttraff.com redirector, which is likely used to funnel victims to further malicious content.

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=configurare+mail+aruba+su+outlook+android
    • http://jakipimew.drsuemalley.org/uploads/1/3/0/9/130969204/86335c6789cb8b9.pdf
    • http://files.tonisenatore.com/uploads/1/3/1/4/131453348/78f1fcfde76.pdf
    • http://files.statelicensedcounseloradvocate.org/uploads/1/3/1/0/131070912/1589268.pdf
    • https://cdn.shopify.com/s/files/1/0439/9503/7854/files/boxevenasan.pdf
    • https://cdn.shopify.com/s/files/1/0438/7697/4747/files/99870785708.pdf
    • https://cdn.shopify.com/s/files/1/0435/2576/7327/files/50230601759.pdf
    • https://cdn.shopify.com/s/files/1/0431/0315/8433/files/45439074565.pdf
    • https://cdn.shopify.com/s/files/1/0432/1103/0683/files/67884761065.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/646255477.pdf
    • https://cdn.shopify.com/s/files/1/0435/8638/8123/files/vybz_kartel_mixx.pdf
    • https://cdn.shopify.com/s/files/1/0433/4937/7174/files/38328375215.pdf
    • https://cdn.shopify.com/s/files/1/0439/8533/8526/files/adoption_papers.pdf
    • https://cdn.shopify.com/s/files/1/0428/0126/6851/files/strategic_asset_management_plan.pdf
    • https://cdn.shopify.com/s/files/1/0432/2328/5928/files/1059491839.pdf
    • https://cdn.shopify.com/s/files/1/0431/3923/5997/files/27451974128.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006428.bin
678c4cbf78a3784cca5fb6d74acc21e739aa34d71d73da5a24b588a75334892d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6428 5336 bytes
font_01_sfnt_off00007632.bin
25a462e8908c3ec7faa7de575e5e58489111e749614582e98c105e79be9c2842		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7632 10332 bytes
font_02_sfnt_off00009981.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9981 4324 bytes

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