Malicious PDF — malware analysis report

Static analysis result for SHA-256 070ab14af8305578…

MALICIOUS

PDF

40.3 KB Created: 2020-08-31 09:41:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94799b70059860e270e25739d4b2027c SHA-1: 2270b90bd09b5bdffb0ec9ac2e344c68a4a5bdf5 SHA-256: 070ab14af830557857acc8045dde08ea78700668230229277db46ab6a6d45f33
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, includes text related to 'Steam turbine electric locomotive' and numerous links to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or malware distribution.

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/wix?keyword=steam+turbine+electric+locomotive
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0428/4288/2215/files/39214798373.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/lasupagagi.pdf
    • https://cdn.shopify.com/s/files/1/0432/5349/8019/files/dolutade.pdf
    • https://cdn.shopify.com/s/files/1/0438/3748/9309/files/78296761914.pdf
    • https://static.usrfiles.com/ugd/b8c837_373ce20d6860424db49265a61ef8f6a9.pdf
    • https://static.usrfiles.com/ugd/c618e9_20ca71d1506e4d01a3c2d01f0d8e30ea.pdf
    • https://cdn.shopify.com/s/files/1/0431/5706/1781/files/nevolew.pdf
    • https://cdn.shopify.com/s/files/1/0432/8800/2710/files/durezupadunafi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90442425312.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006089.bin
550a6b24c6d96c685adac388af36f7dd751ffcad14f2f6648704e1b7c2556440		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6089 5068 bytes
font_01_sfnt_off000071ad.bin
d49a1211b0e0c7d46e90157429134ef0095232dba7c495ff548d733381f4ac4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71AD 10176 bytes

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