Malicious PDF — malware analysis report

Static analysis result for SHA-256 219f58d4e9b0a3ec…

MALICIOUS

PDF

35.0 KB Created: 2020-09-13 04:47:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 045ce3e2cc4713d274a656d25bc31a95 SHA-1: 521b1e28f15f7ecfa07bf7f1b7a0b18dfeca812e SHA-256: 219f58d4e9b0a3ecaf0da5415f42b993098ba2e374188b30841711becacef2a6
150 Risk Score

Malware Insights

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

The PDF contains numerous links, including one that redirects to malicious infrastructure. The document body text is obfuscated but appears to contain a lure related to a '2007 saturn ion maintenance manual'. The primary malicious activity observed is the redirection to a known malicious URL, likely to deliver a secondary payload or initiate a phishing attempt.

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/wb?keyword=2007%20saturn%20ion%20maintenance%20manual
    • http://files.we-holidays.com/uploads/1/3/1/3/131381031/7296810.pdf
    • http://vufexoka.therealpanamatours.com/uploads/1/3/1/4/131438003/tarukixadugej.pdf
    • http://fuxamef.arrldakota.org/uploads/1/3/0/8/130874655/d17dbf574cadf.pdf
    • http://rimupe.mascotsworld.com/uploads/1/3/1/6/131606490/55d349286.pdf
    • http://jiwalegal.ravs.shop/uploads/1/3/1/0/131070711/1861793.pdf
    • http://sibaviwed.bekindbeyou.com/uploads/1/3/0/8/130874030/6544784.pdf
    • http://files.englishmountainlabradors.com/uploads/1/3/0/7/130776486/9066293.pdf
    • http://files.carolinastormhedgehogs.com/uploads/1/3/1/6/131637291/fanipewonosewagafuv.pdf
    • http://files.ninemilechurch.com/uploads/1/3/1/0/131070112/wipemegok.pdf
    • http://files.joshuajfreeman.com/uploads/1/3/2/6/132682822/709811.pdf
    • https://cdn.shopify.com/s/files/1/0436/0408/2851/files/ct_weather_report.pdf
    • https://cdn.shopify.com/s/files/1/0429/6625/3724/files/change_email_template_laravel.pdf
    • https://cdn.shopify.com/s/files/1/0433/5039/2984/files/album_bozorg_az_zedbazi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2553/8973/files/john_deere_sx75_manual.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e8d.bin
51d2103738195794c41c4cd0549845749ef6e26d215ce07a65efb524b7c2b132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E8D 5204 bytes
font_01_sfnt_off00006026.bin
5451a873486e1e53c4281571c1dd10c3ca546c7d02e3e9bc5e8b9d5d0a0a2c24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6026 9096 bytes

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