Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1b3e9ef8234ec5f…

MALICIOUS

PDF

47.7 KB Created: 2020-07-24 04:05:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6885840b9df348100ff5e181a3b1f322 SHA-1: 5db0eb9267acfb4c1f7268a54925132b5ea1796a SHA-256: a1b3e9ef8234ec5f7766bc89c2aafead1076ffa5f12f0903de7a0f24cdd19851
120 Risk Score

Malware Insights

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

The PDF document contains a malicious link disguised as a notification about an unavailable credit report. This link redirects to a known malicious domain, ttraff.com, which is likely intended to host further malicious content or phishing pages. The document also exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify domains, potentially for SEO manipulation or to obscure the true malicious destination.

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=annual+credit+report+equifax+online+delivery+unavailable
    • http://files.waltersegal.org/uploads/1/3/0/9/130969169/d57676.pdf
    • http://files.mackinawvet.com/uploads/1/3/0/8/130873918/8324560.pdf
    • http://files.yenzfacepainting.com/uploads/1/3/1/6/131637656/zoveratij_warusalu.pdf
    • http://files.freckldsalvageshop.com/uploads/1/3/0/7/130739039/zikale.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/51251291699.pdf
    • https://cdn.shopify.com/s/files/1/0432/0555/8436/files/tutaxebabosalalowever.pdf
    • https://cdn.shopify.com/s/files/1/0428/6434/5247/files/83832132840.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9588/files/jivawiv.pdf
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/xubepikosigemeruxu.pdf
    • https://cdn.shopify.com/s/files/1/0429/1090/8572/files/80089556429.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/53971680823.pdf
    • https://cdn.shopify.com/s/files/1/0428/2990/6079/files/bibibafe.pdf
    • https://cdn.shopify.com/s/files/1/0434/3041/2450/files/36761316691.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/tobatamomaneveputavowaki.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/
    • https://cdn.shopify.com/s/file

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007c6f.bin
a448225d19ebcad64daa7d4ceffebbacc955a115120f0da0bf3ab00e6a27ed27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C6F 5336 bytes
font_01_sfnt_off00008e9b.bin
6aa66fff146d3225b8e43a96f8a30acd8610a77559ed4011410e18265632c07e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E9B 10252 bytes

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