Malicious PDF — malware analysis report

Static analysis result for SHA-256 93d9e14d24015ec4…

MALICIOUS

PDF

40.3 KB Created: 2020-08-21 02:56:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 98176e227157a83317daf1af94c8f6d3 SHA-1: f96cbc9cd3807e9fd938190bf720c96d7fbea819 SHA-256: 93d9e14d24015ec416982ab94ae8942d6c0910f62d77d991e9be4855725ff1e1
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though partially corrupted, contains text referencing an 'Armitron sports watch user manual' and the malicious URL, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains, likely to obscure the malicious redirector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=armitron+sports+watch+user+manual
    • http://files.whitestole.com/uploads/1/3/0/8/130815124/xedogatawutek.pdf
    • http://files.schwarzlsepp.com/uploads/1/3/1/3/131384656/6971080.pdf
    • https://cdn.shopify.com/s/files/1/0432/3275/5875/files/51241041122.pdf
    • https://cdn.shopify.com/s/files/1/0434/2674/2421/files/julobivibowegefo.pdf
    • https://cdn.shopify.com/s/files/1/0434/6527/7605/files/one_page_business_plan_book.pdf
    • https://cdn.shopify.com/s/files/1/0433/6851/3695/files/paregexijubibevokadakip.pdf
    • https://cdn.shopify.com/s/files/1/0429/9004/3287/files/fazogufajo.pdf
    • https://cdn.shopify.com/s/files/1/0430/1396/3929/files/21_day_fix_cardio_workout_cheat_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/bwv_999_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0428/2908/6876/files/tally_interview_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/1720/6946/files/tejemusizapew.pdf
    • https://cdn.shopify.com/s/files/1/0428/5965/9420/files/vuzaso.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_off00005ea4.bin
7a4e143c0522d55e96e66f0aeda78387efa48b9b021cb0095267e4c459dd173c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA4 5252 bytes
font_01_sfnt_off0000705a.bin
8c020204f0c2dbe75673945620beb869adb340937b0ef6c43e0a97c52ecf58d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x705A 10640 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.