Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c295c899beb698f…

MALICIOUS

PDF

45.7 KB Created: 2020-08-26 08:19:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7bbf853bf720088ad782998d094912e9 SHA-1: 688ff6ebc61d5c5260a6e2a1be05ede4e4d69326 SHA-256: 9c295c899beb698fd9649566157d46cc2d769faff45e06c39d698deeef1dc0cc
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, a technique often used for SEO poisoning or to distribute malicious content. One of the embedded URLs, 'https://ttraff.me/pify?keyword=roller+coaster+tycoon+world+activati', is flagged as a known malicious redirector. The document body is heavily obfuscated and contains remnants of this URL, suggesting it is the primary lure. The presence of numerous Shopify links, while individually benign, contributes to the overall link farm characteristic.

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.me/pify?keyword=roller+coaster+tycoon+world+activati
    • http://gabijajax.kpugaming.com/uploads/1/3/0/9/130969060/2690309.pdf
    • https://cdn.shopify.com/s/files/1/0430/4273/4237/files/40242926331.pdf
    • https://cdn.shopify.com/s/files/1/0434/4361/7959/files/78772925498.pdf
    • https://cdn.shopify.com/s/files/1/0448/3593/0273/files/cch_chuyn_i_sang_nh.pdf
    • https://cdn.shopify.com/s/files/1/0435/2950/2874/files/novatejutekaropurabutujed.pdf
    • https://cdn.shopify.com/s/files/1/0430/5072/9634/files/almacenamiento_en_la_nube.pdf
    • https://cdn.shopify.com/s/files/1/0449/8073/2062/files/motivational_poster_meme_template.pdf
    • https://cdn.shopify.com/s/files/1/0434/9516/2022/files/suwamefod.pdf
    • https://cdn.shopify.com/s/files/1/0433/1785/4373/files/33401731981.pdf
    • https://cdn.shopify.com/s/files/1/0436/8026/8438/files/bodowofuduko.pdf
    • https://cdn.shopify.com/s/files/1/0438/0796/5345/files/national_geographic_learning_pathways.pdf
    • https://cdn.shopify.com/s/files/1/0436/8996/7781/files/tobebovenegiximewibamiv.pdf
    • https://cdn.shopify.com/s/files/1/0434/5806/8633/files/35783365961.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_off000065c5.bin
8f2a782667da85c5f7e627632cce431aafd4b6ce903cfc722f79c54f5729428f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C5 4980 bytes
font_01_sfnt_off000076d5.bin
5e735a60c8a40d185d0771a3f4aea9eb6670c88ec40b9f00d7d33d17959fa7c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76D5 11096 bytes
font_02_sfnt_off00009bf3.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BF3 4324 bytes

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