Malicious PDF — malware analysis report

Static analysis result for SHA-256 295b80d43dce243a…

MALICIOUS

PDF

39.6 KB Created: 2020-08-09 06:51:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e21f6b862cfbabb1d2905f6380fab2e SHA-1: 0caaeff8b9fd5fbe4dd947dac470f388d5d00728 SHA-256: 295b80d43dce243a217dd0611e6ec841b22938d77c7194b40556d274ac598337
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, contains text suggesting a lure related to a guitar PDF. The primary malicious IOC is the ttraff.com redirector, which likely leads to a phishing page or malware download. The presence of many Shopify links suggests an attempt to blend malicious content with seemingly benign resources.

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.com/pify?keyword=bwv+998+guitar+pdf
    • http://files.dmsstem.com/uploads/1/3/2/7/132740620/63e7125a27f.pdf
    • http://files.thehillchristianfellowship.com/uploads/1/3/0/8/130814397/b21095.pdf
    • http://files.vtclinic.com/uploads/1/3/1/4/131438137/saxutuwaduvulenom.pdf
    • https://cdn.shopify.com/s/files/1/0438/4748/3552/files/ian_kerner_he_comes_next.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/sesadix.pdf
    • https://cdn.shopify.com/s/files/1/0432/4743/5940/files/99759048748.pdf
    • https://cdn.shopify.com/s/files/1/0431/9870/9918/files/bloodborne_ritual_blood_4.pdf
    • https://cdn.shopify.com/s/files/1/0430/7632/1434/files/36708006733.pdf
    • https://cdn.shopify.com/s/files/1/0433/8103/1064/files/talixatazis.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/62859306550.pdf
    • https://cdn.shopify.com/s/files/1/0427/5293/4044/files/25891144352.pdf
    • https://cdn.shopify.com/s/files/1/0432/9937/3214/files/piwelevawetagomugupuz.pdf
    • https://cdn.shopify.com/s/files/1/0430/0200/3619/files/96358429628.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/final_fantasy_vii_rom.pdf
    • https://cdn.shopify.com/s/files/1/0432/9478/5694/files/lawuleduresaxosireb.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_off00005ca5.bin
e8bf7b6bb6d25d6fed33d9db115817c08b34bd6715408be62e81fde95979423d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA5 5552 bytes
font_01_sfnt_off00006fbd.bin
09da8628a2bd223c2642f90659c1e8a648f7844d494f9380c3f8f1b4ac27f24b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBD 10032 bytes

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