Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e092c2966934d03…

MALICIOUS

PDF

35.7 KB Created: 2020-08-11 22:16:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6518904a3c09f566dc98aeda13114527 SHA-1: d2e6a0b56b3f26c273fe7859311acd88f1c328b1 SHA-256: 2e092c2966934d031231f3a16ad94659772865ab9ad8013bc5c176fdad3f9f94
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link redirects to known malicious infrastructure at ttraff.com. This suggests a social engineering attempt to trick the user into clicking the malicious link under the guise of a PDF download. The document body contains garbled text but also includes the malicious URL and a benign-looking PDF title, reinforcing the lure.

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=kuran%20na%20bosanskom%20pdf%20download
    • http://files.harrisonskbb.co.uk/uploads/1/3/2/7/132711999/1595584.pdf
    • http://penimajag.roblinwesleyan.com/uploads/1/3/2/7/132710714/gatekagixuroban.pdf
    • http://files.kennedyseminars.net/uploads/1/3/1/6/131606343/9901438.pdf
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/trumpet_chamber_music.pdf
    • https://cdn.shopify.com/s/files/1/0435/8832/1437/files/coordinate_geometry_class_10_notes.pdf
    • https://cdn.shopify.com/s/files/1/0431/8671/6830/files/depression_definition_psychology.pdf
    • https://cdn.shopify.com/s/files/1/0441/2869/8520/files/ati_teas_study_guide.pdf
    • https://cdn.shopify.com/s/files/1/0437/7424/7069/files/21086609127.pdf
    • https://cdn.shopify.com/s/files/1/0428/7650/2182/files/69912999055.pdf
    • https://cdn.shopify.com/s/files/1/0440/2449/6286/files/700r4_rebuild_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/2865/8848/files/mujileg.pdf
    • https://cdn.shopify.com/s/files/1/0429/5353/9747/files/spoken_english_material_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/7538/7043/files/rulurolererovafawelojasuz.pdf
    • https://cdn.shopify.com/s/files/1/0427/8163/8812/files/33581009558.pdf
    • https://cdn.shopify.com/s/files/1/0431/5391/6060/files/lofabutivubimoz.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_off00004b3c.bin
a2a902004280f617b5c00145375e768d856ef187c372bef722b9083d17775233		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B3C 5452 bytes
font_01_sfnt_off00005db7.bin
1d75a3a612e3b984dcbe41dcf0a438e05b2bceb6d4c2756d334bfe0a5d092f51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB7 11080 bytes

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