Malicious PDF — malware analysis report

Static analysis result for SHA-256 315c02b9417dfc3d…

MALICIOUS

PDF

40.5 KB Created: 2020-08-20 00:09:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4707f0eab7c6a44cd292dd01e2e8d931 SHA-1: 10a17daeff4ddab4db71c0c0b52eeafbfa5a2ae6 SHA-256: 315c02b9417dfc3d84fa44079eef6fe9cc5867301a659c34fa0ff6141dff72a4
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=bully+dog+bdx+owners+manual'. This URL is presented within the document body, disguised as a manual. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to PDF files hosted on various domains, including multiple Shopify subdomains. The primary intent appears to be redirecting users to malicious infrastructure through a deceptive link.

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.cc/pify?keyword=bully+dog+bdx+owners+manual
    • http://files.nalipops.com/uploads/1/3/1/4/131408899/tumumitukem.pdf
    • http://dezifut.randiandmike.com/uploads/1/3/1/6/131606490/durawikavademip_lazeta_tebupowoda_lotujilo.pdf
    • http://files.katiepeters.org/uploads/1/3/1/4/131407977/4823780.pdf
    • http://jamowi.hangupscompany.com/uploads/1/3/1/4/131406717/lapidu.pdf
    • https://cdn.shopify.com/s/files/1/0433/6877/5841/files/judimasamepilebewiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/4529/8074/files/cfpb_complaint_database.pdf
    • https://cdn.shopify.com/s/files/1/0438/2051/5488/files/exemple_d_attestation_sur_l_honneur_crous.pdf
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/83713841207.pdf
    • https://cdn.shopify.com/s/files/1/0432/9222/9787/files/afcat_2018_questions_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/86257390216.pdf
    • https://cdn.shopify.com/s/files/1/0430/9381/9541/files/fonabufanoputamunixalu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5022/0185/files/xudelelefivesapukoxazavud.pdf
    • https://cdn.shopify.com/s/files/1/0428/1306/3327/files/25007177678.pdf
    • https://cdn.shopify.com/s/files/1/0437/3217/2965/files/79547555352.pdf
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/vejejoposavese.pdf
    • https://cdn.shopify.com/s/files/1/0433/9000/9502/files/agenda_escolar_2020_20_gratis.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_off0000526d.bin
977ecc41179329abb097c4946eaed784e2253732fd07dc88829d52165edb2ac3
pdf-font-stream PDF embedded font (sfnt) at offset 0x526D 5352 bytes
font_01_sfnt_off0000648d.bin
42f60f8666fe9572677a6181ec7706c5c5d7c4181091159ec3a387ba640abdc9
pdf-font-stream PDF embedded font (sfnt) at offset 0x648D 10128 bytes
font_02_sfnt_off00008749.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f
pdf-font-stream PDF embedded font (sfnt) at offset 0x8749 4324 bytes