Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5f822adc9e46677…

MALICIOUS

PDF

44.0 KB Created: 2020-08-26 16:31:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a050c81877e736f510e86e34d6e1d2b SHA-1: 4a792929ca662b9aa78cdaa5649125d9ff34bc56 SHA-256: f5f822adc9e46677d91000c31ea977dfd446389713aa150c989239ddc5940e6c
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, many of which point to external PDF files hosted on various domains, including Shopify. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.com/pify?keyword=developing+the+leader+within+you+wor. This suggests the document is part of a link farm designed to redirect users to malicious content. 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=developing+the+leader+within+you+wor
    • http://files.nickynoodlesdoodles.co.uk/uploads/1/3/0/7/130775830/laxemixugazisupole.pdf
    • http://files.pinnaclechartermusic.com/uploads/1/3/1/6/131606281/6867077.pdf
    • http://files.theessentialoilsmethod.com/uploads/1/3/0/7/130738722/tufunuvumafirekowo.pdf
    • https://cdn.shopify.com/s/files/1/0430/2641/5779/files/sozikividanokarobaxuvawen.pdf
    • https://cdn.shopify.com/s/files/1/0432/9265/5782/files/uc_browser_untuk_android_2._2.pdf
    • https://cdn.shopify.com/s/files/1/0440/6611/1638/files/honda_crf150f_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/3924/3931/files/64371885156.pdf
    • https://cdn.shopify.com/s/files/1/0438/2133/4690/files/pumati.pdf
    • https://cdn.shopify.com/s/files/1/0432/1142/3902/files/57545730637.pdf
    • https://cdn.shopify.com/s/files/1/0437/5838/7349/files/giramobakigoxepuketidoku.pdf
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/92732187465.pdf
    • https://cdn.shopify.com/s/files/1/0437/4790/1592/files/rezusidowawuxusiriwofo.pdf
    • https://cdn.shopify.com/s/files/1/0438/9981/4056/files/chimera_tool_crack_2019.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_off00005fa6.bin
26b1b214a60c589e8dccf585e018cdc0bdc807b5b0532716643681e702f81e16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA6 5176 bytes
font_01_sfnt_off0000714f.bin
52c855a6ec2616fa1de29408be41a1a6600379df4771c8d44e15c9ec619259e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x714F 10472 bytes
font_02_sfnt_off0000950c.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x950C 4324 bytes

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