Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee943e2ee3fa360…

MALICIOUS

PDF

43.2 KB Created: 2020-08-08 19:25:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e9d8f957f3f9bf1b2878897a8559fd3 SHA-1: c6386bf96ef82f3179a42f953e4b29e9c3b48871 SHA-256: cee943e2ee3fa3607b45e10d169efba71d86cc152ff004cf22651967b5555cce
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link redirects to `ttraff.com`. This indicates a link farm or redirection strategy to obscure the ultimate malicious destination. The heuristic `PDF_MALICIOUS_REDIRECTOR_LINK` confirms the malicious nature of the redirector. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure.

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=microbial+genetics+notes+pdf
    • http://files.shepherdoflife.org/uploads/1/3/0/9/130969645/rawasuxamujezipup.pdf
    • http://kesipe.bhambassclub.org/uploads/1/3/0/8/130874284/xomesubewof-rululefeve-fofewoxaz-vazufetigapekoj.pdf
    • http://files.offtheplinth.com/uploads/1/3/0/9/130969265/395805f9e8d371.pdf
    • http://guvojus.genevieve-wojcik.com/uploads/1/3/0/8/130873995/fcffc736747.pdf
    • https://cdn.shopify.com/s/files/1/0448/0250/6909/files/bajirao_mastani_songs_pk.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bamizubonofosexewa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/65676743438.pdf
    • https://cdn.shopify.com/s/files/1/0431/6486/0575/files/depabirebasoxiz.pdf
    • https://cdn.shopify.com/s/files/1/0429/0235/6124/files/60545574016.pdf
    • https://cdn.shopify.com/s/files/1/0428/0378/9991/files/juwoxukagusev.pdf
    • https://cdn.shopify.com/s/files/1/0435/4542/8127/files/digi_weigh_scale.pdf
    • https://cdn.shopify.com/s/files/1/0434/3624/5142/files/funny_nightbot_commands.pdf
    • https://cdn.shopify.com/s/files/1/0435/3274/6906/files/norodul.pdf
    • https://cdn.shopify.com/s/files/1/0438/4702/4805/files/garden_mania_2.pdf
    • https://cdn.shopify.com/s/files/1/0430/7520/7322/files/28918618528.pdf
    • https://cdn.shopify.com/s/files/1/0438/9237/5704/files/kanujowulov.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_off00006a5d.bin
2a4d370a8beb6989706b39d363d53a5579f6857098204d23c7cc9e48e648ff41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A5D 5468 bytes
font_01_sfnt_off00007d0b.bin
b1957879daea1b31d926f2b2b49c0f99aaf035d01f18deb2d99cc719e5841b38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D0B 10308 bytes

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