Malicious PDF — malware analysis report

Static analysis result for SHA-256 f23b7aae97a89e48…

MALICIOUS

PDF

49.5 KB Created: 2020-03-18 08:36:50 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5dc064ff61fc45e2fa6085dae317e66e SHA-1: 82c597393abefdab7afb9a6191265a45f92020f1 SHA-256: f23b7aae97a89e4871a4931a8bf8758f23b0acdda9572137c9ddee5d3157cc78
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are structured as SEO-optimized PDF lures. The document body, though heavily obfuscated, contains references to a 'Sony hdv handycam hdr-fx1 manual' and embedded URLs, suggesting a tactic to drive traffic to these external sites. The primary intent appears to be SEO spam or potentially a phishing precursor by directing users to potentially malicious or deceptive content.

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://weatherproofguide.com/uploads/1/3/0/7/130739371/130739371.html#sony+hdv+handycam+hdr-fx1+manual
    • http://michelsunlee.com/uploads/1/3/0/6/130604370/mikixa.pdf
    • http://voiceoverthesky.com/uploads/1/3/0/5/130543488/d71577d087ba55.pdf
    • http://honestoffshore.net/uploads/1/3/0/3/130324270/loximag.pdf
    • http://nourishmentinmotion.com/uploads/1/3/0/6/130620217/5709302.pdf
    • http://tech-centric.org/uploads/1/3/0/2/130288661/sonafotelik.pdf
    • http://info.serviziotraduzione.it/uploads/1/3/0/5/130541600/fuzewob.pdf
    • http://pierrepaulbitton.net/uploads/1/3/0/6/130604173/wezed-dubusano.pdf
    • http://app.surveyswipe.com/uploads/1/3/0/6/130639635/9924484.pdf
    • http://reddogquilts.com/uploads/1/3/0/6/130639030/pugamoxukubosixij.pdf
    • http://www.annaaltheide.com/uploads/1/3/0/8/130874468/3301706.pdf
    • http://www.widogtrainingmadefun.com/uploads/1/3/0/8/130873996/vokogodurefe.pdf
    • http://hostmaster.redlinervproductions.com/uploads/1/3/0/6/130639720/bac52df402.pdf
    • http://mycloudtoken.net/uploads/1/3/0/7/130739225/janiwek_nidamitoxibalep_jarikejete_zovukufarawu.pdf
    • http://220-server.signatureofstuart.com/uploads/1/3/0/8/130874161/9788815.pdf
    • http://radiodream1.com/uploads/1/3/0/5/130539131/9470878.pdf
    • http://mta-sts.washi-art.net/uploads/1/3/0/5/130551267/buwetul.pdf
    • http://lifepacedesigns.com/uploads/1/3/0/6/130621557/fojigut.pdf
    • http://johnthecomputerdon.com/uploads/1/3/0/4/130477351/puwixepoxi.pdf
    • http://baliliveentertainment.com/uploads/1/3/0/7/130738885/2406552.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_off00009962.bin
d5432e5f7d1e9cbb8e33441dbf68ca00302ce76b478612e57bd6b5831bbd1e39		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9962 8064 bytes

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