Malicious PDF — malware analysis report

Static analysis result for SHA-256 b412ad60db41a3d7…

MALICIOUS

PDF

70.9 KB Created: 2020-08-23 05:09:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55ca7d983c1fb4d54b6c79c8fe89af84 SHA-1: 8607393c3a5839e357ab38b5a28094da5a6afafc SHA-256: b412ad60db41a3d782bcaed7dcf84e410d77d963171a440859517581d6b22ec7
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=bollywood+action+movies+2019'. This URL is presented within the document body, disguised with a keyword to appear legitimate. The file also contains a PDF link farm heuristic, indicating it's part of a larger SEO manipulation effort. The primary IOC is the malicious redirector URL.

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.cc/pify?keyword=bollywood+action+movies+2019
    • http://pavolero.theenergyalignmentcoach.com/uploads/1/3/2/8/132814930/pigeji.pdf
    • https://cdn.shopify.com/s/files/1/0432/1234/1416/files/nebolumowen.pdf
    • https://cdn.shopify.com/s/files/1/0434/0727/8238/files/5e_rogue_warlock.pdf
    • https://cdn.shopify.com/s/files/1/0435/9123/7791/files/4030550073.pdf
    • https://cdn.shopify.com/s/files/1/0432/7876/2139/files/raju_bhai_movie_songs_free_naa.pdf
    • https://cdn.shopify.com/s/files/1/0435/6639/9647/files/b._ed_admission_form_2019_aiou.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdf
    • https://cdn.shopify.com/s/files/1/0446/7992/1827/files/38917469390.pdf
    • https://cdn.shopify.com/s/files/1/0450/1933/2766/files/economically_weaker_section_form_gujarat.pdf
    • https://cdn.shopify.com/s/files/1/0433/7926/1590/files/51883749063.pdf
    • https://cdn.shopify.com/s/files/1/0438/1753/3597/files/big_ideas_math_algebra_2_student_journal.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c2f3.bin
ef0214cfeedc7579b9bff569b9154fb5818e00c2368f73e5303f19d7111ce358		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC2F3 5772 bytes
font_01_sfnt_off0000d6ac.bin
51c013e5deda22365940872994a222a10919460ae1b204654bdaa2ffb86e745d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6AC 10060 bytes
font_02_sfnt_off0000f959.bin
6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF959 16164 bytes

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