Malicious PDF — malware analysis report

Static analysis result for SHA-256 47fa10222306c6d0…

MALICIOUS

PDF

48.8 KB Created: 2020-08-09 09:44:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54cd06203717f734281e362a701eb511 SHA-1: 1cc9dffc3ca87b9d5ed8bc81bfceae8ac323799a SHA-256: 47fa10222306c6d0bffbf12e5cbb9580d2a665c3c915fdbb8ec055fa38f617ff
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to SEO-optimized PDF documents hosted on various domains, including Shopify. One critical heuristic identified a link to a known malicious redirector infrastructure at 'ttraff.ru'. This suggests the document is part of a link farm designed to direct users to malicious content, likely for phishing or malware distribution. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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=tout+les+mots+argot+fran%25C3%25A7ais+pdf
    • http://files.cashforcarsterrell.com/uploads/1/3/1/4/131438308/todexoge_saraxurugoxapi_patisetoj.pdf
    • http://fazuke.rainandforesttattoo.com/uploads/1/3/0/7/130776433/rusazevexudoveri.pdf
    • http://files.funkbusterbaits.com/uploads/1/3/2/6/132695832/c12707447ad5b.pdf
    • http://lizoluvog.yoder-bros.com/uploads/1/3/1/0/131069934/79f0d69.pdf
    • https://cdn.shopify.com/s/files/1/0438/2123/6386/files/greenhouse_effect_worksheet_middle_school.pdf
    • https://cdn.shopify.com/s/files/1/0433/5520/9886/files/swag_russian_panda.pdf
    • https://cdn.shopify.com/s/files/1/0432/5995/3312/files/84365379993.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1735/files/93210840218.pdf
    • https://cdn.shopify.com/s/files/1/0430/3549/2503/files/filax.pdf
    • https://cdn.shopify.com/s/files/1/0433/8951/7973/files/38516516951.pdf
    • https://cdn.shopify.com/s/files/1/0427/9956/2911/files/vajamifote.pdf
    • https://cdn.shopify.com/s/files/1/0430/1655/2605/files/rukefugatujixojabiju.pdf
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/heinrich_cornelius_agrippa.pdf
    • https://cdn.shopify.com/s/files/1/0432/8944/4510/files/44183335035.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/lipabubisokir.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_off00006ef8.bin
12e2e91096d7364ce902163eb53e7f87a8a34da48a4294d1c962f06e9436160e
pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF8 5372 bytes
font_01_sfnt_off0000811e.bin
8119b5479b979b25bb34a61f42fc508816e2fbbe9102ccba2ad69afc4dcefd3a
pdf-font-stream PDF embedded font (sfnt) at offset 0x811E 11896 bytes
font_02_sfnt_off0000a677.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0xA677 4324 bytes