Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fec8e2d524f6ff1…

MALICIOUS

PDF

41.2 KB Created: 2020-08-09 23:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d8d00c2aec377c5b8118480d2a131aa SHA-1: f7550330f78bd9ca387104a7e0fd3a78be60cb78 SHA-256: 1fec8e2d524f6ff1f2be37b53d222037b5e4c205ec5d6ba5fcdbd58357efa017
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at 'ttraff.ru'. This suggests a link farm or SEO poisoning technique used to distribute malicious content. The document body, though heavily obfuscated, contains the target URL, confirming its role in the redirection chain. No scripts were extracted, limiting the analysis to the document's structure and embedded links.

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=educational+research+quantitative+qualitative+and+mixed+approaches+sixth+edition+pdf
    • http://zapegisa.usrestaurantsinc.com/uploads/1/3/1/3/131380213/4241463.pdf
    • http://files.adrian-spencer.com/uploads/1/3/1/4/131437318/a65ff2a.pdf
    • http://files.immortalize-your-moments.studio/uploads/1/3/0/7/130739758/2290900.pdf
    • https://cdn.shopify.com/s/files/1/0429/0979/4463/files/20367389799.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3669/files/juteduxabosigekejuzavuwu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/43983210465.pdf
    • https://cdn.shopify.com/s/files/1/0433/9338/4599/files/foweredod.pdf
    • https://cdn.shopify.com/s/files/1/0432/6418/0390/files/anker_soundbuds_slim_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/zigufegot.pdf
    • https://cdn.shopify.com/s/files/1/0432/7197/9172/files/rumujakavidezamelexudutez.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25696514874.pdf
    • https://cdn.shopify.com/s/files/1/0441/1280/6040/files/diferencia_entre_verduras_y_hortalizas.pdf
    • https://cdn.shopify.com/s/files/1/0433/5111/3887/files/antibody_structure.pdf
    • https://cdn.shopify.com/s/files/1/0433/7346/1669/files/advanced_excel_interview_questions.pdf
    • https://cdn.shopify.com/s/files/1/0434/0786/8060/files/84502261687.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_off000061a8.bin
c7c7334a96ed56d7cde5d38f7dfa580dcb7c7166cc207c007c650255c10dc98a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61A8 5604 bytes
font_01_sfnt_off00007494.bin
2fe37224020253cbda3589f1a9ce571fa3c8c5206553a53faf7c5cd6a106bf31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7494 10188 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.