Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7c584578ffa5271…

MALICIOUS

PDF

44.1 KB Created: 2020-07-30 07:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f470affa5f081ac808ef6f31a5a4b34 SHA-1: 0d95ea82ee41ac56d1da9b5e0e4cc89c9e5470bd SHA-256: d7c584578ffa5271ca4e3fbc008a027049203a260ae32782f992ecb2778ee142
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a heuristic firing indicating a PDF link farm. One of the primary URLs, 'https://ttraff.ru/pify?keyword=the+pale+lady+pdf', is flagged as malicious, suggesting a redirection to harmful content. The presence of numerous links, including those hosted on Shopify, indicates a potential SEO manipulation or a large-scale phishing attempt.

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=the+pale+lady+pdf
    • http://files.montanahorsesandmules.com/uploads/1/3/2/6/132682171/venolunerasuz.pdf
    • http://files.magillcontracting.com/uploads/1/3/2/3/132303001/3516241.pdf
    • http://files.wingspan-wellness.com/uploads/1/3/1/1/131164046/jatesodinimejel.pdf
    • https://cdn.shopify
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/rolibesimorozopozo.pdf
    • https://cdn.shopify.com/s/files/1/0428/2020/6758/files/30388474226.pdf
    • https://cdn.shopify.com/s/files/1/0431/2937/2836/files/63005561573.pdf
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/98437083339.pdf
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/lefarexoga.pdf
    • https://cdn.shopify.com/s/files/1/0437/1575/6181/files/92134948616.pdf
    • https://cdn.shopify.com/s/files/1/0434/1848/4888/files/jujipujusi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
    • https://cdn.shopify.com/s/files/1/0429/6946/4991/files/45030631346.pdf
    • https://cdn.shopify.com/s/files/1/0433/5281/7832/files/sibosivobegefenutavuvumuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/2524/4053/files/20630550853.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/30154173559.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_off00007262.bin
993df1fc310dec7d94fd1ae7c40d53aedd04815b262ab750211b68f8db1ccfab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7262 4348 bytes
font_01_sfnt_off00008135.bin
52aa72062378679779587c65fb25656ce2520805c46a9c7f0677d732ea5acd47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8135 10052 bytes

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