Malicious PDF — malware analysis report

Static analysis result for SHA-256 dabee2126715a534…

MALICIOUS

PDF

73.4 KB Created: 2020-08-27 18:47:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52c768ed6165fd9ab24cbfdc623760a3 SHA-1: eb96f33c217eb6c9c0177a12fb65ddf01637d0ab SHA-256: dabee2126715a534088600cddb5eac51b87e9341c6feac54a4e66159ac8d1686
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The embedded URL in the document body, 'https://ttraff.com/pify?keyword=inductive+and+deductive+reasoning+ma', is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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=inductive+and+deductive+reasoning+ma
    • http://zenuse.briggsquarterhorses.com/uploads/1/3/1/4/131408017/f9024dd160f3ae.pdf
    • http://files.columbiadentcenter.com/uploads/1/3/0/9/130969907/438eb0.pdf
    • http://ditevivab.nzvnhealth.org/uploads/1/3/2/6/132681579/leraxuwojebuzofepa.pdf
    • https://cdn.shopify.com/s/files/1/0434/6318/0438/files/28776232004.pdf
    • https://cdn.shopify.com/s/files/1/0436/1509/2893/files/homework_tracker_spreadsheet.pdf
    • https://cdn.shopify.com/s/files/1/0430/3536/1442/files/fivijegom.pdf
    • https://cdn.shopify.com/s/files/1/0440/7253/4168/files/boat_building_books.pdf
    • https://cdn.shopify.com/s/files/1/0435/2563/6248/files/tiwegepusabonawosinubovib.pdf
    • https://cdn.shopify.com/s/files/1/0440/2446/3525/files/lettre_alphabet_francais.pdf
    • https://cdn.shopify.com/s/files/1/0433/6844/8152/files/70094484513.pdf
    • https://cdn.shopify.com/s/files/1/0430/0541/1481/files/teks_barzanji.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_off0000e329.bin
26f3b2fe3bc986908c90cbaadebd927de96a299f61b30b1fa2528da4b45c2426		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE329 5224 bytes
font_01_sfnt_off0000f4d4.bin
d363ad6fe32f22ecb2388880369e3a0469d3a30b04966655c9ec791ebbe0b28c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF4D4 10456 bytes

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