Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b154b57c4c1bf4d…

MALICIOUS

PDF

44.0 KB Created: 2020-08-10 23:53:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: db90fea3f980a3dff4bca390aef8c07b SHA-1: ad86dc6d36b912a6745e36f9097856c760567acb SHA-256: 3b154b57c4c1bf4debdf2ccfb22c6aaaea90580ded2c05cdd16eb83310821423
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a lure related to a 'sage erp accpac 500 user manual' and embeds multiple links. One critical heuristic indicates a malicious redirector link to 'ttraff.ru', which is likely part of a phishing or malware distribution chain. Another heuristic flags it as a PDF link farm, with many links pointing to Shopify-hosted PDFs. The document body, though heavily corrupted, contains the URL 'https://ttraff.ru/wb?keyword=sage%20erp%20accpac%20500%20user%20manual' and several Shopify URLs, reinforcing the link-based attack pattern.

Heuristics 4

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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/wb?keyword=sage%20erp%20accpac%20500%20user%20manual
    • http://files.westsantarosa.com/uploads/1/3/1/0/131070767/ribigajowezovi.pdf
    • http://files.explorestanton.com/uploads/1/3/1/4/131453216/6741733.pdf
    • http://files.brookekferguson.com/uploads/1/3/1/3/131383456/xavitefa_retibonik.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sefumiwizekoreletete.pdf
    • https://cdn.shopify.com/s/files/1/0435/6803/8049/files/wikezatomowobazoz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9832/5663/files/65641736771.pdf
    • https://cdn.shopify.com/s/files/1/0428/2790/7239/files/fifiwosugowumuraruka.pdf
    • https://cdn.shopify.com/s/files/1/0434/5823/2473/files/8195881001.pdf
    • https://cdn.shopify.com/s/files/1/0433/5557/0341/files/memigize.pdf
    • https://cdn.shopify.com/s/files/1/0447/1151/0170/files/d_d_4th_edition_character_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/6778/5884/files/77069107632.pdf
    • https://cdn.shopify.com/s/files/1/0430/9087/0423/files/644101569.pdf
    • https://cdn.shopify.com/s/files/1/0427/7318/4678/files/23698379828.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_off0000638a.bin
b70cff20d038a152cb1ccc901cc7e331e9bfa9eb395c6d7a57fa03915552c06f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x638A 5624 bytes
font_01_sfnt_off00007693.bin
e0af076f00efb0a298a294b367eab85f239611613f126b9f914ea51540200452		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7693 14380 bytes

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