Malicious PDF — malware analysis report

Static analysis result for SHA-256 4662a6c6a9365710…

MALICIOUS

PDF

36.1 KB Created: 2020-08-21 09:48:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82a2511fdce3e501244082f367f58964 SHA-1: ccb4def0ae73156ab61ee4b346b314ea66d91174 SHA-256: 4662a6c6a9365710946318a8562079059f352a550ab467dd0f43244f67947d19
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=lahanpan+dega+deva+information+in+marathi'. This indicates the document's primary purpose is to lure users to a malicious site. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify. The document body contains obfuscated text and the malicious URL, further supporting the redirection attack pattern. 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/pify?keyword=lahanpan+dega+deva+information+in+marathi
    • http://tosuf.veniceisthinking.com/uploads/1/3/1/6/131636655/volaziw_susonanu.pdf
    • http://files.wolfwoodsstudio.com/uploads/1/3/0/8/130873877/7521095.pdf
    • http://files.ewiechart.com/uploads/1/3/2/3/132302913/gomokiwu-dapewijutufose-jofumuvusu.pdf
    • http://gotopana.bexbourne.co.uk/uploads/1/3/0/7/130775403/54dd21f.pdf
    • http://files.shore2motiv8.com/uploads/1/3/1/8/131856109/natifogiz.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2675/files/canon_mg2900_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/6756/2391/files/solipolotaxixuned.pdf
    • https://cdn.shopify.com/s/files/1/0437/3161/5909/files/deductions_and_adjustments_worksheet_define.pdf
    • https://cdn.shopify.com/s/files/1/0433/6487/6453/files/ripanota.pdf
    • https://cdn.shopify.com/s/files/1/0437/7955/5486/files/chirps_notification_sound.pdf
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/56361638589.pdf
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/sogelelaji.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdf
    • https://cdn.shopify.com/s/files/1/0434/2077/8653/files/99707080684.pdf
    • https://cdn.shopify.com/s/files/1/0430/2356/4957/files/angularjs_easy_angularjs_for_beginners.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_off00005159.bin
820244d3b227e6ba06ffc8ecf841f50b77a520fbaafadb8845cd2503f22d8a54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5159 5244 bytes
font_01_sfnt_off00006315.bin
d1a9211c41452ecb8c9176ff40de7ca28ff061fc7a6aa00401db80562d4fc011		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6315 9440 bytes

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