Malicious PDF — malware analysis report

Static analysis result for SHA-256 d540302b29bb950e…

MALICIOUS

PDF

45.8 KB Created: 2020-08-12 18:07:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40c4c86419342c75028eba59a0dac4c9 SHA-1: 5ea0f1ec310420fc619c2c29693667cf27480135 SHA-256: d540302b29bb950e425d3923f002602cb152c12a0f89cb207cffc0bda0235600
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. This URL is presented within the document body, disguised as a link to download a psychology PDF. The file also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to obscure the malicious redirector.

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=fundamentals+of+adlerian+psychology+pdf
    • http://files.dancefoodforthesoul.com/uploads/1/3/0/8/130814297/9dc89fcadac3113.pdf
    • http://files.jamiesingerart.com/uploads/1/3/1/1/131163976/b36fba30.pdf
    • http://files.salinaseminarseries.org/uploads/1/3/0/7/130739918/zikewu.pdf
    • http://files.wrm-designs.com/uploads/1/3/0/8/130874143/b29c58e98731c1.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/lavedazubebiwajulo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/guriwuziwu.pdf
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/kakomuve.pdf
    • https://cdn.shopify.com/s/files/1/0429/1044/9830/files/21054323213.pdf
    • https://cdn.shopify.com/s/files/1/0432/1958/3138/files/73228924413.pdf
    • https://cdn.shopify.com/s/files/1/0436/8737/9094/files/53770337732.pdf
    • https://cdn.shopify.com/s/files/1/0433/9482/6396/files/install_pyqt5_ubuntu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4805/0586/files/junowajaguworokowud.pdf
    • https://cdn.shopify.com/s/files/1/0429/6844/9180/files/99664452001.pdf
    • https://cdn.shopify.com/s/files/1/0429/4728/1062/files/teratizuxatutugofa.pdf
    • https://cdn.shopify.com/s/files/1/0433/4164/3941/files/tuvawojogakenapot.pdf
    • https://cdn.shopify.com/s/files/1/0432/3062/5950/files/the_everyday_life_bible_joyce_meyer.pdf
    • https://cdn.shopify.com/s/files/1/0431/7318/3643/files/aranjuez_sheet_music.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_off00006324.bin
c74134cc6a5ff66cf30dc273047bebcd4bdc4cfa105cffc0fd8243ff918e2d31
pdf-font-stream PDF embedded font (sfnt) at offset 0x6324 5628 bytes
font_01_sfnt_off00007621.bin
e211c901d69c8c90a2a751afec45b8a4d929c8f1a14cfb0961f73f709b262367
pdf-font-stream PDF embedded font (sfnt) at offset 0x7621 5076 bytes
font_02_sfnt_off000087a2.bin
b40058db7292c68151ba303e156ad2e3095054964890484c6dfbb720efb2e8ea
pdf-font-stream PDF embedded font (sfnt) at offset 0x87A2 9984 bytes