Malicious PDF — malware analysis report

Static analysis result for SHA-256 b372007fb66f9a96…

MALICIOUS

PDF

38.4 KB Created: 2020-03-16 07:41:56 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 39c9d859875fd36ccff7725791d2d6cb SHA-1: 3ca9d2c89a6b5528c90922460fd82f7ac5f538d0 SHA-256: b372007fb66f9a96fe7b1ec2ceb81aaebb1eba95d83069634c5557dbf307648c
70 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are dynamically generated and point to PDF files, indicating a link farm for SEO manipulation. The document body also contains urgency language, suggesting a lure to click on these links. The primary URL http://orp25c.salon225.com/uploads/1/3/0/2/130272853/130272853.html#abandoned+vehicle+form+arizona is likely the initial landing page for this campaign.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://orp25c.salon225.com/uploads/1/3/0/2/130272853/130272853.html#abandoned+vehicle+form+arizona
    • http://gsalis.sylviasenglishonline.org/uploads/1/3/0/7/130740521/palanizubiwovog.pdf
    • http://mrsteamparts.com/uploads/1/3/0/6/130621176/bowemenobizibe.pdf
    • http://laydenhomes.com/uploads/1/3/0/2/130272080/nipudijitixud-rorakelafaso-kejejopomim-zufosofopuz.pdf
    • http://shopourimports.com/uploads/1/3/0/7/130739539/eb6f2d497b.pdf
    • http://scrumptious.info/uploads/1/3/0/4/130489075/3bc4dd67d.pdf
    • http://ip-communicator.net/uploads/1/3/0/6/130621782/nuvofunimakeri-zoporawupilupe-tinenejorogisek-nokemaxida.pdf
    • http://neonopen.com/uploads/1/3/0/3/130379356/gikagojajataje.pdf
    • http://safebeautymovement.org/uploads/1/3/0/5/130539438/pivivufowijipef.pdf
    • http://www.cleanslateservices.net/uploads/1/3/0/2/130271035/7533458.pdf
    • http://missteendreamusa.com/uploads/1/3/0/7/130775405/d16dcad.pdf
    • http://mrsrashid.com/uploads/1/3/0/6/130604627/277af17d4075b.pdf
    • http://medicoz.com/uploads/1/3/0/6/130604733/9fb3458faf962f.pdf
    • http://eventsatashleyfarm.com/uploads/1/3/0/3/130379319/c4acfce15.pdf
    • http://michaeltoddserr.org/uploads/1/3/0/6/130639976/4551105.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_off00006cb9.bin
ced37266ca5b07145c4b001bd4c5daaf546f2eddcc965d8117815a62833fdcc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB9 7732 bytes

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