Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7b64746df197ae2…

MALICIOUS

PDF

32.1 KB Created: 2020-04-15 02:56:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 668f5e9d4f33101f7e1fa1933f48760b SHA-1: 46724787a2df811613a0c5d30ccb8b607ad13836 SHA-256: b7b64746df197ae2c7acc1bf2b6a711401b475c2f3d9af7d0b712c8aa3a8013c
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to PDF files with numeric or generic slugs. This behavior is indicative of a link farm or a mechanism to distribute further malicious content. The document body mentions 'Avery business card template publisher', suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.

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://sdrvowners.org/uploads/1/3/1/4/131453179/131453179.html#avery+business+card+template+publisher
    • http://metalroofingdelaware.com/uploads/1/3/0/8/130874467/vaxigitavenovibupego.pdf
    • http://billytegels.com/uploads/1/3/1/0/131071072/vibegexa.pdf
    • http://hdhairpro.com/uploads/1/3/0/9/130969385/kaduwojo_dagamep.pdf
    • http://goldeneaglebooks.us/uploads/1/3/0/2/130272582/jaleboropo_webalafogugagi.pdf
    • http://balanceteam.com/uploads/1/3/0/8/130814076/xuwumatulagote.pdf
    • http://realbuchanansbarnyard.com/uploads/1/3/1/4/131437619/litosapugano.pdf
    • http://crescentrocks.net/uploads/1/3/1/3/131398237/cf6a2.pdf
    • http://je-handcrafts.com/uploads/1/3/1/4/131483454/7598457.pdf
    • http://condominiumconstructionsa.com/uploads/1/3/1/3/131384442/pulopisodobov.pdf
    • http://pettisclockshop.org/uploads/1/3/0/7/130739113/bepunudikobofipe.pdf
    • http://tanoservices.com/uploads/1/3/0/6/130605289/f09f7e8.pdf
    • http://alfabeta.biz/uploads/1/3/0/8/130874554/2e41a467b7.pdf
    • http://todays-entrepreneurs.com/uploads/1/3/0/6/130621954/6d7b36.pdf
    • http://heavenlyhappyhandyman.com/uploads/1/3/1/1/131163859/fufina-nemulebawi-dopejubela-tikezofe.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_off0000576b.bin
b1cec55266248197c920665cf6aa3f6f20aac3d68cad8ef0f5e8a856fb33aa55		 pdf-font-stream PDF embedded font (sfnt) at offset 0x576B 7304 bytes

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