Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9a9378f674ec001…

MALICIOUS

PDF

45.8 KB Created: 2020-08-19 00:24:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: db3299366adc586fcf8f576581c1260e SHA-1: ee69373cd179a4a68c92de9d673cedab3ba2a3db SHA-256: b9a9378f674ec001067c2596bab4e18825b971eed35319acb719fc5820986b39
128 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as a manual download for a Canon 6D Mark II camera. This link redirects to a malicious URL, ttraff.ru, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains the target URL and other PDF links, indicating a social engineering lure to drive traffic to malicious sites. The presence of a visual download button further supports the phishing pretext.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=canon+6d+mark+2+manual+pdf
    • http://files.treignathletics.org/uploads/1/3/1/0/131070561/zosofefe.pdf
    • http://gowij.royalcitymensclub.ca/uploads/1/3/1/6/131606490/e6ed8329.pdf
    • http://files.framemysore.org/uploads/1/3/1/3/131384789/7349004.pdf
    • http://polisida.emilybmartin.net/uploads/1/3/1/3/131380160/f5301faf.pdf
    • https://cdn.shopify.com/s/files/1/0438/2133/4688/files/50980430899.pdf
    • https://cdn.shopify.com/s/files/1/0440/6044/2774/files/37240481237.pdf
    • https://cdn.shopify.com/s/files/1/0431/2206/5557/files/baklol_video_part_7.pdf
    • https://cdn.shopify.com/s/files/1/0440/4314/1270/files/mikowole.pdf
    • https://cdn.shopify.com/s/files/1/0429/8617/6665/files/17878951864.pdf
    • https://cdn.shopify.com/s/files/1/0437/6605/5063/files/xasofuvotutoru.pdf
    • https://cdn.shopify.com/s/files/1/0431/1587/2423/files/51738311775.pdf
    • https://cdn.shopify.com/s/files/1/0433/1244/7652/files/sobevenunasa.pdf
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/82295774994.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_off000075b5.bin
4e5d39d0110a812faecc005bc3a6d0ea3b052c4fb71531f0287c4fd1f935e57f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75B5 5264 bytes
font_01_sfnt_off00008788.bin
ed774085db3b6a09198c148171e3d0564dd692682ff23af0b8fb0e505235a3d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8788 10200 bytes

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