Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6aa46d2a229745a…

MALICIOUS

PDF

35.4 KB Created: 2020-09-05 00:42:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c392884cddad8bba5f7eea5c10a490c SHA-1: 177cc51f145e1c1cda511887eb9b1973b9de3cc2 SHA-256: d6aa46d2a229745a703ec097ff2a47f6955566dafc3f1da54e618b8d97746ecb
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic identifying it as a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.me/wix?keyword=smackdown+vs+raw+2007+ppsspp, which is flagged as malicious. Additionally, a PDF link farm heuristic indicates the presence of 30 external PDF links, predominantly hosted on cdn.shopify.com, suggesting a potential SEO poisoning or link distribution tactic.

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.me/wix?keyword=smackdown+vs+raw+2007+ppsspp
    • https://cdn.shopify.com/s/files/1/0432/2017/2957/files/vijatamoluvanajelazoz.pdf
    • https://cdn.shopify.com/s/files/1/0429/3568/1180/files/23123884677.pdf
    • https://cdn.shopify.com/s/files/1/0437/0602/4101/files/dibobavoxilika.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/aditya_hrudayam_malayalam.pdf
    • https://static.usrfiles.com/ugd/fe83c3_c5766aa2ebdc4d35839d63a7102d41eb.pdf
    • https://static.usrfiles.com/ugd/de60da_ceb655a49c7047e49e6cf8faabea0bf8.pdf
    • https://static.usrfiles.com/ugd/0aab01_b800e848a2ba4406af0131729e6d778a.pdf
    • https://cdn.shopify.com/s/files/1/0435/5751/9523/files/14236940609.pdf
    • https://cdn.shopify.com/s/files/1/0434/7287/9773/files/63583204612.pdf
    • https://cdn.shopify.com/s/files/1/0431/0951/5415/files/engineering_science_n3_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0428/5703/7990/files/godupenavipaputuralozexaf.pdf
    • https://cdn.shopify.com/s/files/1/0436/5703/5929/files/tamil_christmas_songs_mp4_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/multiples_of_3.pdf
    • https://cdn.shopify.com/s/files/1/0429/5560/4124/files/somegobugipifes.pdf
    • https://cdn.shopify.com/s/files/1/0433/0058/5625/files/photolithography_process_steps.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_off00004777.bin
5e11a79354d299d30d551e865f80900091aeba64b7678be424f60d352b9c5c32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4777 5860 bytes
font_01_sfnt_off00005b6a.bin
43721292940480debf384f29982ed2e9d37b7a61501c41814d3d0f250bcd8bff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6A 10584 bytes

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