Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba04307a896c891b…

MALICIOUS

PDF

40.7 KB Created: 2020-08-13 19:13:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74bbb3528ec6602f3ca20b695a1fdff3 SHA-1: b14ed762e25ff1d7fad29846f88b456c0ac0b708 SHA-256: ba04307a896c891b79e86bd6372d878d5928444a933eb668d67be4d94dc24b45
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, includes the URL 'https://ttraff.com/wb?keyword=manual%20of%20agricultural%20nematology%20pdf', which is also flagged as a malicious redirector. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious links broadly. No scripts were extracted from this sample.

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/wb?keyword=manual%20of%20agricultural%20nematology%20pdf
    • http://gikoluxer.landinarizona.com/uploads/1/3/1/3/131381428/nogametosix_minolop_jusexe_pomapixe.pdf
    • http://fusok.petejean.com/uploads/1/3/1/6/131636951/8059675.pdf
    • http://files.thefoundationwill.co.uk/uploads/1/3/1/4/131454345/f9f044881.pdf
    • https://cdn.shopify.com/s/files/1/0437/0153/4875/files/batisogogutubedu.pdf
    • https://cdn.shopify.com/s/files/1/0433/7260/9686/files/98030159127.pdf
    • https://cdn.shopify.com/s/files/1/0430/6318/1473/files/medical_laboratory_technician.pdf
    • https://cdn.shopify.com/s/files/1/0434/0154/3831/files/37088046663.pdf
    • https://cdn.shopify.com/s/files/1/0440/8626/3960/files/celebrate_recovery_step_study_book_1.pdf
    • https://cdn.shopify.com/s/files/1/0433/4583/8232/files/4943466848.pdf
    • https://cdn.shopify.com/s/files/1/0428/8384/2215/files/ralomenusivizabuxiwil.pdf
    • https://cdn.shopify.com/s/files/1/0428/8489/0790/files/applied_physics_by_a._k_jha_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/4066/7810/files/who_wrote_voodoo_child.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_off00005e3e.bin
7418b308b074d02872b95f5c8d7599cf913ac12372731cab5f582d5c36805bc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E3E 5404 bytes
font_01_sfnt_off00007099.bin
9b00a0235f11c7edd363cc7baf1de894d1d83fa74b3c29d1905be31137d75bb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7099 11080 bytes

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