Malicious PDF — malware analysis report

Static analysis result for SHA-256 4281af6914d45bd5…

MALICIOUS

PDF

29.4 KB Authoring application: Soda PDF
MD5: 40b71784fee3dcc77443d1b90eb2ca5e SHA-1: cb30112a11e74683c59a3946dfbc71cf6ba805a5 SHA-256: 4281af6914d45bd5571a2c84608527c796f8810e1de5b8f7954d4b3526e128e4
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body text is heavily obfuscated and does not provide clear user-facing content, but the heuristic firings strongly indicate a malicious redirection scheme.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://drjeffbarone.com/uploads/1/3/0/6/130604350/fizak_gebomipifomaj_pojigosaw.pdf
    • http://thebakerstualatin.com/uploads/1/3/0/4/130489833/xitagofexozopu_pizitodaj_wodugedurilawa.pdf
    • http://webmail.taypiping.co.uk/uploads/1/3/0/5/130543107/xaguw_xamatepejafigo_tubaw_nexokejowopi.pdf
    • http://christinareid.net/uploads/1/3/0/3/130323445/sowav-figakifugeruw.pdf
    • http://jurandirsilva.com/uploads/1/3/0/7/130740000/zovaxano.pdf
    • http://ivyfloralny.com/uploads/1/3/0/5/130590456/sevetorutum.pdf
    • http://smilesheal.org/uploads/1/3/0/6/130620345/masuzemop-jenamipupesob-gotemiz-welejixa.pdf
    • http://dmitrithompson.com/uploads/1/3/0/3/130324315/lenudiwetorumove.pdf
    • http://www.prince-harry-lookalike.com/uploads/1/3/0/8/130874591/pubegefob-jefibufew-zanivatoviwu.pdf
    • http://sparksrvpark.com/uploads/1/3/0/8/130874645/luwonegawetu.pdf
    • http://conifermountain.fun/uploads/1/3/0/5/130588315/718ec4e80.pdf
    • http://aworldinneed.org/uploads/1/3/0/7/130740340/8ec809dfd.pdf
    • http://nestandnookdesign.com/uploads/1/3/0/4/130436007/e5a01e24390c.pdf
    • http://www.eecmi.com/uploads/1/3/0/2/130271205/sojuwika.pdf
    • http://lilfaith.net/uploads/1/3/0/3/130313638/gawawajawug.pdf
    • http://www.iminctrl.net/uploads/1/3/0/8/130813827/967321.pdf
    • http://passantefinancial.com/uploads/1/3/0/2/130288629/pugibovimutuwi-lasolewavu.pdf
    • http://2014.financialpermaculture.com/uploads/1/3/0/7/130775025/kufoti.pdf
    • http://museodelacontabilidad.org/uploads/1/3/0/9/130969137/tigos.pdf
    • http://charmingplaces.be/uploads/1/3/0/4/130488429/c33b93ffab482b2.pdf
    • http://zdzz.brdge.org/uploads/1/3/0/9/130969327/130969327.html#adobe+acrobat+pro+freezes+when+combining+files
    • http://museodelacontabilidad.org/up

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000179e.bin
040b1b6515a69478eb06b3730da8dee43cd72804ec6e2b4704af177648ae419f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x179E 6012 bytes

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