Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc0119f332c9ba75…

MALICIOUS

PDF

49.0 KB Created: 2020-08-16 10:58:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 06f36a8e7f46f588044cffcf307aeb86 SHA-1: 74f359dbfb3e028c0e7c4c030d65df8c6dfbc81a SHA-256: fc0119f332c9ba755b68a8b3c4ffc32d0c2108c20ed5411ce8d668cf7b7e2cd5
150 Risk Score

Malware Insights

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

The PDF was flagged for containing a malicious redirector link and a large number of external links, indicating a likely attempt to lure users to malicious sites. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the presence of numerous links suggests a content-based lure, possibly for phishing or malware delivery.

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.cc/pify?keyword=hindustan+ki+kasam+song+ming
    • http://bivez.harrypottervet.com/uploads/1/3/0/7/130776644/ligilatuzinolagil.pdf
    • http://jirag.stephanieheger.com/uploads/1/3/1/4/131456363/70326.pdf
    • http://files.serenaashley.com/uploads/1/3/1/3/131398145/barojozorujegu-ranubifolifemo.pdf
    • http://files.thebravecreative.com/uploads/1/3/1/8/131871554/c650db69e9d69.pdf
    • http://vetopa.footmadbirmingham.org/uploads/1/3/2/8/132814167/9987743.pdf
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/67064002087.pdf
    • https://cdn.shopify.com/s/files/1/0428/6598/3655/files/xofenibimaxasititi.pdf
    • https://cdn.shopify.com/s/files/1/0435/5771/6119/files/90465125977.pdf
    • https://cdn.shopify.com/s/files/1/0428/7270/1095/files/tutitojulavesepuxi.pdf
    • https://cdn.shopify.com/s/files/1/0434/7153/6290/files/autodesk_fusion_360_introduction_to_parametric_modeling.pdf
    • https://cdn.shopify.com/s/files/1/0434/7458/3702/files/mojilowoj.pdf
    • https://cdn.shopify.com/s/files/1/0438/4745/0784/files/mudile.pdf
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/er_season_15_episode_22.pdf
    • https://cdn.shopify.com/s/files/1/0435/4146/3189/files/basenepawibarazaxifop.pdf
    • https://cdn.shopify.com/s/files/1/0433/6025/6159/files/milivojowuruvot.pdf
    • https://cdn.shopify.com/s/files/1/0434/7248/6566/files/f_distribution_table.pdf
    • https://cdn.shopify.com/s/files/1/0435/4726/3131/files/tawutapefekamesegola.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000593b.bin
b437d5ef062f9df877dbb3cb9deec2978a376503b4ce3f6902183823334c1ab8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x593B 4808 bytes
font_01_sfnt_off0000696d.bin
bcb603ebdc8b87a6cf8bf3e62b00acb7a20c9067a6326aa9940d572879003ec2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x696D 16100 bytes
font_02_sfnt_off00009ae7.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AE7 4324 bytes
font_03_sfnt_off0000a8e8.bin
c3ee5799a60976a2a8ef58b148fd41971529995ede8968f9bf25959b9af9d95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA8E8 3644 bytes

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