Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0dc5a8600fe7939…

MALICIOUS

PDF

46.8 KB Created: 2020-08-26 16:55:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: af9bf0c7fce6ed5934ea45b0951c55e5 SHA-1: b3a142d934b21c5c588b6d633a748dd6dceb0161 SHA-256: a0dc5a8600fe79395396ec9dac0fcabc68d0f011356be0552d5b6fd9ad376557
150 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external links, indicating a link farm. The primary malicious URL identified is https://ttraff.me/pify?keyword=anno+2205+orbital+layout. The document body contains garbled text but also includes the same malicious URL, reinforcing its role in a potential phishing or malware distribution scheme.

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.me/pify?keyword=anno+2205+orbital+layout
    • http://dubugavis.thvlvb.com/uploads/1/3/0/8/130874276/pazotojixagavon_tetezawifufoguv.pdf
    • http://files.hudsonvalleybookdesign.com/uploads/1/3/0/7/130740563/9112005.pdf
    • http://natum.kghortho.com/uploads/1/3/1/3/131379179/2242063.pdf
    • http://juforav.riverrivalwrestling.org/uploads/1/3/2/6/132680852/15cc2c6a7862d50.pdf
    • http://dotaji.stepoutsidefitness.com.au/uploads/1/3/0/7/130775982/legedisesufa.pdf
    • https://cdn.shopify.com/s/files/1/0428/5458/0391/files/ginokupowaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.pdf
    • https://cdn.shopify.com/s/files/1/0439/1026/7035/files/ansilvund_excavation_code.pdf
    • https://cdn.shopify.com/s/files/1/0429/5183/5801/files/lasos.pdf
    • https://cdn.shopify.com/s/files/1/0434/7153/6285/files/puxemilezukufivi.pdf
    • https://cdn.shopify.com/s/files/1/0439/2140/8168/files/montgomery_ward_5hp_tiller_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/7257/7946/files/clicker_heroes_unlimited_rubies.pdf
    • https://cdn.shopify.com/s/files/1/0431/5221/2128/files/16444870926.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81274949660.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_off00006b92.bin
75a502d73dedabf4e747748c91e44597f77fc3fd88774d7ad2ddbfe548466b9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B92 4896 bytes
font_01_sfnt_off00007c3c.bin
1eb4e5b2ef0775288a4a6a5747b6077b28adfbde5fa4c56a246c68bfcea6552c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C3C 10520 bytes
font_02_sfnt_off0000a031.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA031 4324 bytes

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