Malicious PDF — malware analysis report

Static analysis result for SHA-256 68602caa15c02263…

MALICIOUS

PDF

54.3 KB Created: 2020-08-20 23:49:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b3a5cc788eee9afd96b52400e7476455 SHA-1: de1313d5d26fe04a674b6a6b3c2f373289d6ad0e SHA-256: 68602caa15c022630cc338f85b631e4fe7385cc4a367fade331069a7c3f83855
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting an attempt to trick users into clicking it. The presence of numerous external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=biodata+form++word
    • http://sesivux.kingfisher-strategy.com/uploads/1/3/2/3/132302868/9874854.pdf
    • http://files.my007spy.com/uploads/1/3/0/9/130969873/d8a2f4b7a6a2.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0434/8923/1000/files/57594767483.pdf
    • https://cdn.shopify.com/s/files/1/0432/2417/0664/files/86339065886.pdf
    • https://cdn.shopify.com/s/files/1/0437/8440/5153/files/91969853691.pdf
    • https://cdn.shopify.com/s/files/1/0431/1806/7866/files/86262107423.pdf
    • https://cdn.shopify.com/s/files/1/0433/5419/4085/files/15384514296.pdf
    • https://cdn.shopify.com/s/files/1/0433/4950/8246/files/76686781629.pdf
    • https://cdn.shopify.com/s/files/1/0432/7306/0520/files/cooper_biofinity_multifocal_fitting_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/3623/7206/files/98135870704.pdf
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/dewarexivixebanojegobi.pdf
    • https://cdn.shopify.com/s/files/1/0437/4609/9349/files/physics_constants.pdf
    • https://cdn.shopify.com/s/files/1/0440/7368/1061/files/doluvejuse.pdf
    • https://cdn.shopify.com/s/files/1/0431/7508/4193/files/82473609086.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008cc3.bin
8fe0fab04aaaf14b9be2aecdb6e38e11154e33b56102f401b0917bca5fa9b0d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CC3 4548 bytes
font_01_sfnt_off00009c3a.bin
756727a4a4c8ac51c46ff1ba73ab41a2445046d3369bb5f7ac3f7a12d8c58a18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C3A 9912 bytes
font_02_sfnt_off0000be14.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE14 4324 bytes

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