Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2524160a1a81a56…

MALICIOUS

PDF

37.8 KB Created: 2020-05-30 16:43:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91d3a0e767dfb70e0447c61cc2ef6315 SHA-1: a0f7138f1e28cf9a7d8fc343376fb2cad84cd633 SHA-256: b2524160a1a81a563bbdafc144cb6a1977ae115113615f5f2ba48bed3716e75f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to various domains, a technique often used for SEO manipulation or to distribute malicious content. The PDF_SEO_LINK_FARM heuristic indicates a link farm, and the embedded URLs point to PDF files on these domains. The document body contains text related to an air fryer manual, likely a lure to disguise the malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://solidmetrology.com/uploads/1/3/0/4/130435875/130435875.html#cooks+essentials+air+fryer+manual+cm15901
    • http://midwestmines.com/uploads/1/3/1/0/131069887/farabov.pdf
    • http://cleartoclosemasters.com/uploads/1/3/0/5/130550891/gukixikalirev.pdf
    • http://luvtocreate.com/uploads/1/3/0/4/130476442/fomafo.pdf
    • http://angelynshapiro.com/uploads/1/3/0/6/130621698/4349754.pdf
    • http://receivercorps.com/uploads/1/3/0/9/130969446/9640510.pdf
    • http://beefitllc.com/uploads/1/3/0/6/130621587/12519.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006779.bin
7d7134feff5514a6af8a70e8be90efaab1a12f2134267d470f12d5aabb566c0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6779 10908 bytes

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