Malicious PDF — malware analysis report

Static analysis result for SHA-256 e64489274bcfa474…

MALICIOUS

PDF

53.4 KB Created: 2020-07-11 17:58:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1fb000b53faba826e35119d3034a9a6 SHA-1: 75e6e7f1640cb8630796f8a9b1aa028056b4cbae SHA-256: e64489274bcfa4746bb50fca889a92e0c4fc35cf57eea882b7544a48f3c876af
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure (ttraff.com). The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a malicious site. The presence of a callback phishing lure heuristic further supports the intent to trick the user into interacting with malicious content.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=bus+operator+selection+survey
    • http://files.mustardseedmarketinggroup.com/uploads/1/3/2/6/132683088/malero.pdf
    • http://files.teeiabodesignsartexpressions.com/uploads/1/3/0/9/130969987/motizitesi.pdf
    • http://files.andressalazar505.com/uploads/1/3/1/4/131454098/dopawumifogebuzupov.pdf
    • http://files.centralbedsswimsquad.com/uploads/1/3/2/6/132696580/dorale_finokuwoteg.pdf
    • http://files.negsbestthing.com/uploads/1/3/2/8/132815961/riwemuto.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/zenawoxedunimesez.pdf
    • https://cdn.shopify.com/s/files/1/0433/4957/3784/files/99356151314.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1555/files/ronidutakugoruxoxew.pdf
    • https://cdn.shopify.com/s/files/1/0428/1214/5823/files/5227895863.pdf
    • https://puvudoxewe.files.wordpress.com/2020/07/biriwojatuma.pdf
    • https://kijukadolok.files.wordpress.com/2020/06/bixefezezerosewat.pdf
    • https://latonebe.files.wordpress.com/2020/07/19698912175.pdf
    • https://cdn.shopify.com/s/files/1/0429/9443/4202/files/sadabok.pdf
    • https://cdn.shopify.com/s/files/1/0427/7259/4844/files/leboduvijol.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/negonarufefozosaburesid.pdf
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/jobijaledatuximisufiru.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/dudawudolenaka.pdf
    • https://cdn.shopify.com/s/files/1/0427/6033/9623/files/34564446030.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_off00007b85.bin
c034bcdab3a5623cb075f9a18cfa4f5e8cadd00a8e450ec5c4f8b2dbafc3d60b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B85 5020 bytes
font_01_sfnt_off00008cb3.bin
9488f97e1519426660c898160a8f543f4cd2d468fb6501996a8a5091d0d151bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CB3 11108 bytes
font_02_sfnt_off0000b2d3.bin
9086cf1acfa17d58f547745da934e63782811fb77e1a163d0f11787986d144bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB2D3 16224 bytes

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