Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc32527db3cb3e09…

MALICIOUS

PDF

32.7 KB Created: 2020-08-25 01:41:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d4fb201c89111e4f584eaf500c8f550 SHA-1: 1b16a5aa15e464ccae969b832640e320f04922b5 SHA-256: cc32527db3cb3e091ecd2cb30c2d6f543eef506213790750c944d64f46c54d84
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, specifically 'https://ttraff.cc/pify?keyword=30th+birthday+images+free'. The document body, though partially corrupted, also contains this URL and other links to Shopify domains, suggesting a link farm or redirection tactic. The primary intent appears to be directing users to malicious infrastructure through these embedded links.

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=30th+birthday+images+free
    • http://files.travismammedatyart.com/uploads/1/3/2/3/132303147/6ac1fd74.pdf
    • http://files.jjsdka.org/uploads/1/3/0/9/130969819/98a098cf.pdf
    • http://files.neaod.com/uploads/1/3/1/4/131454883/77d4b122055.pdf
    • http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdf
    • http://files.gibsonspropertyservices.co.uk/uploads/1/3/0/7/130739268/7916a38c.pdf
    • https://cdn.shopify.com/s/files/1/0434/6914/4230/files/prima_strategy_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/2186/8960/files/zuzududunosukovunuvebuk.pdf
    • https://cdn.shopify.com/s/files/1/0428/5746/3971/files/api_577.pdf
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/biology_keystone_study_guide_2018.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/sanulobasu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4000/5541/files/bits_and_bytes_ace_academy_electrical.pdf
    • https://cdn.shopify.com/s/files/1/0436/6693/1862/files/glossary_of_musical_terms.pdf
    • https://cdn.shopify.com/s/files/1/0429/8578/3447/files/art_discord_servers.pdf
    • https://cdn.shopify.com/s/files/1/0440/7017/4870/files/federal_employee_performance_improvement_plan_template.pdf
    • https://cdn.shopify.com/s/files/1/0437/0667/9464/files/xovewuniguwijunisegijal.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_off00004371.bin
1fe16686ef0959f796a28967750b1d81aaa31182fe3d9ecd591e04f41780ec7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4371 5740 bytes
font_01_sfnt_off000056d7.bin
136a5dc044c88c00ce5bd53325d99cfc50efe3fe963a553cc35fd12ae51d25da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56D7 9256 bytes

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