Malicious PDF — malware analysis report

Static analysis result for SHA-256 92160ae8ae1f8509…

MALICIOUS

PDF

45.7 KB Created: 2020-08-06 16:21:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b5cfe68d445beb99532248c446a80254 SHA-1: dd3ed91e3c1d3653831c8e7688b4eca6a5eac2a7 SHA-256: 92160ae8ae1f8509244ab44f0693802174b33f8408bcda0bb8677dd995561121
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with multiple links pointing to shopify.com and other domains. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure at ttraff.com. The document body, though heavily obfuscated, contains the same URL, suggesting it is the primary lure. The presence of numerous PDF links, many hosted on Shopify, indicates a potential SEO poisoning or link farm strategy to distribute malicious content.

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=basic+human+anatomy+and+physiology+pdf
    • http://files.miketheprinter.net/uploads/1/3/1/0/131070476/gunifovuporot.pdf
    • http://dosuzefes.louisianagrainhistory.com/uploads/1/3/1/3/131384281/jagonekinu.pdf
    • http://files.feelinggreatmassage.com/uploads/1/3/2/6/132695986/basaduturuvuzetuxem.pdf
    • https://cdn.shopify.com/s/files/1/0429/2640/7833/files/bagifibafotisikibe.pdf
    • https://cdn.shopify.com/s/files/1/0429/8578/3447/files/wovumajok.pdf
    • https://cdn.shopify.com/s/files/1/0435/7141/3151/files/ashrae_standard_70_2020.pdf
    • https://cdn.shopify.com/s/files/1/0434/2421/9293/files/kobawu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8670/8890/files/39045638003.pdf
    • https://cdn.shopify.com/s/files/1/0431/2986/4343/files/88541152048.pdf
    • https://cdn.shopify.com/s/files/1/0433/9403/9975/files/toastmasters_competent_communicator_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/3161/6918/files/xitipolalekosanarupoz.pdf
    • https://cdn.shopify.com/s/files/1/0433/5242/4598/files/11514231856.pdf
    • https://cdn.shopify.com/s/files/1/0432/6385/2712/files/84976701596.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_off000063d9.bin
6bcdbb1512f708dd20a53ee6cc8710473ace59ba4b09811c2efc98c557164f9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63D9 5388 bytes
font_01_sfnt_off00007611.bin
d48b0d444c47eb59720a2689a2a1d873ade38022c7508b9e5b9951c451859041		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7611 10560 bytes
font_02_sfnt_off00009a1c.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A1C 4324 bytes

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