Malicious PDF — malware analysis report

Static analysis result for SHA-256 db2d7c7846ac2ecc…

MALICIOUS

PDF

55.7 KB Created: 2020-08-29 20:17:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 241419eb77b0dd2b6362f957b9e311dc SHA-1: d5841855cccf800916c479771285258533ad5c0b SHA-256: db2d7c7846ac2ecc733a7478311d41850aad9b8a7bd3a31275d614f260d02d09
130 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious URL, disguised as a movie download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the presence of a download button lure (SE_DOWNLOAD_BUTTON) reinforces the social engineering aspect. The document body, though heavily obfuscated, contains the malicious URL, indicating an attempt to trick the user into clicking it.

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/wix?keyword=mad+max+fury+road+full+movie+in+hindi+download+coolmoviez
    • https://static.usrfiles.com/ugd/b8c837_d48170fc2f3d4ee7b1f0ec795bda5ad2.pdf
    • https://static.usrfiles.com/ugd/b8c837_38281d21d2b74252840743180cf1cba7.pdf
    • https://static.usrfiles.com/ugd/b8c837_674781065962444f941d623837850560.pdf
    • https://static.usrfiles.com/ugd/b8c837_7e6aea36c5cd4d009ef0b9ffa9e8055f.pdf
    • https://static.usrfiles.com/ugd/b8c837_f928105e562a4434a0363789bb37d916.pdf
    • https://static.usrfiles.com/ugd/0047a4_abd88f5aa9e0479da6f74bf46bd31ca5.pdf
    • https://static.usrfiles.com/ugd/b8c837_8e1aa1f06bcf4ed6b8c94da83f48776a.pdf
    • https://static.usrfiles.com/ugd/b8c837_bffe960db9a440b49904ed44d1a28be5.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8184/files/97312431806.pdf
    • https://cdn.shopify.com/s/files/1/0427/8799/5814/files/wefozibegusidagigeke.pdf
    • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/18729966776.pdf
    • https://cdn.shopify.com/s/files/1/0431/8461/9680/files/22634012062.pdf
    • https://static.usrfiles.com/ugd/b8c837_31acf244f30c48d9ba84016a7ceea100.pdf
    • https://static.usrfiles.com/ugd/c0b427_0931a4d6a3014d74ba7eda3bf09d19c5.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_off00009a31.bin
54af2335807234b5cc241ce63929fc1dc320c491297c9d83492875d1985d5714		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A31 5460 bytes
font_01_sfnt_off0000acc1.bin
8cec3e4586f4d2e7b7d206b3f0b5e7a34036fb04ae926ff5ccf3d16f1fea4c8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xACC1 10760 bytes

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