Malicious PDF — malware analysis report

Static analysis result for SHA-256 37e03e9fe27c9188…

MALICIOUS

PDF

36.5 KB Created: 2020-03-23 05:59:07 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e42e267ef43ed2b15fd2cb9d64fd45c SHA-1: 0879f36dc718475fe22dc0897315ccdb6ee3d767 SHA-256: 37e03e9fe27c918883a397fcf8af0d6958acf83cebffd013387409147d6ac701
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a large number of external links, indicating a link farm or SEO spamming attempt. The embedded URL "http://bwsinvestments.com/uploads/1/3/0/2/130291416/130291416.html#visual+basic+download+2015+free" suggests a potential lure related to Visual Basic downloads. The heuristic PDF_SEO_LINK_FARM firing confirms the mass linking behavior. No scripts were extracted, limiting the analysis of direct payload delivery.

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://bwsinvestments.com/uploads/1/3/0/2/130291416/130291416.html#visual+basic+download+2015+free
    • http://www.fourseasonsvilla14.com/uploads/1/3/0/7/130775231/0d73afd8788.pdf
    • http://gaylordcheer.org/uploads/1/3/0/6/130639681/31b43240.pdf
    • http://smilyface.org/uploads/1/3/0/5/130589269/2152601.pdf
    • http://kindermusikwithshelley.com.au/uploads/1/3/0/5/130589460/rokizapejinixid.pdf
    • http://k-1fiancee.visaconnection-philippines.com/uploads/1/3/0/5/130589182/botopijitu-suxekijuxawa-viwilorixeguso-zafowateguv.pdf
    • http://www.sacredceremony.net/uploads/1/3/0/6/130621950/mapidomobukufarevol.pdf
    • http://synergyhairandbeautyelloughton.co.uk/uploads/1/3/0/5/130540926/449895.pdf
    • http://impeachedtrump.com/uploads/1/3/0/7/130775543/1999775.pdf
    • http://thecorbuzier.com/uploads/1/3/0/7/130776416/vaxowuzep-dibujaz.pdf
    • http://expowebservices.com/uploads/1/3/1/0/131069978/55428767268d9b.pdf
    • http://lashextendemporium.com/uploads/1/3/0/4/130483373/c27c4566b9.pdf
    • http://transcending-tarot.com/uploads/1/3/0/9/130969663/sebuganiwefezi_roxavaguji_xeguradirivam.pdf
    • http://mail.bistro-cafe.gr/uploads/1/3/0/6/130620480/tenonebe.pdf
    • http://www.iostestdomain.com/uploads/1/3/0/4/130436213/d635b538.pdf
    • http://sharoncraryhandwovenrugstapestry.com/uploads/1/3/0/3/130313319/xenoxabe_pabukipenaton.pdf
    • http://mail.fhtattoo.com/uploads/1/3/0/6/130621401/zikirabogorinigipok.pdf
    • http://www.randrbylinda.com/uploads/1/3/0/6/130639842/9512672.pdf
    • http://www.goodamericandollars.com/uploads/1/3/0/2/130288378/6297506.pdf
    • http://treehousebellaire.org/uploads/1/3/0/7/130776872/nalasinu-vejalegufurober.pdf
    • http://woodypitkat.com/uploads/1/3/0/5/130551727/de0dd5e955bcd2.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_off00006614.bin
c5b8476b4b417570057a976e95958359a17bdf6f52af6bd805be8313ce13ee95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6614 7744 bytes

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