Malicious PDF — malware analysis report

Static analysis result for SHA-256 a411c918ffd8ef98…

MALICIOUS

PDF

39.7 KB Authoring application: Soda PDF
MD5: 72709b7d8fcf28cf944873e21bc3c05d SHA-1: 9f7ccf1ff83e1458430fd6297f9153553a5316da SHA-256: a411c918ffd8ef98c335d9bf019829e5929c641e3f789e5e10ff1966b71599d8
128 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, identified as a link farm, which is a common technique for SEO poisoning and phishing. The heuristic 'SE_INVOICE_LURE' further suggests a phishing pretext. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' confirms the malicious nature. The embedded links likely lead to further malicious content or phishing pages.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://mx.stoutheartedhounds.com/uploads/1/3/0/4/130436140/3269922.pdf
    • http://enchantingcosmetics.com/uploads/1/3/0/5/130545573/607a2cf4.pdf
    • http://cookielovecustomsugarcookies.com/uploads/1/3/0/2/130289461/mulawepamababuwerek.pdf
    • http://pogform.com/uploads/1/3/0/7/130739956/wuvogobipaja-ponuduzunid-sagap-xinij.pdf
    • http://vancouverislandpremiumhardcandy.com/uploads/1/3/0/4/130477663/cadc8fd791e9.pdf
    • http://www.fourlanefreight.com/uploads/1/3/0/5/130589245/580562.pdf
    • http://mollymauied2013.com/uploads/1/3/0/6/130604878/xumobugibuw_volowarezixupax_literef_lopon.pdf
    • http://mythbay.com/uploads/1/3/0/3/130324167/f78cf.pdf
    • http://ellipseatlantic.com/uploads/1/3/0/3/130313224/bazepeliranel.pdf
    • http://www.alfnevents.org/uploads/1/3/0/7/130739674/giwazexopole.pdf
    • http://mamkoo.com/uploads/1/3/0/6/130621909/5064929.pdf
    • http://foodfromfarmers.org/uploads/1/3/0/5/130546096/jejawipafexeze-zarikuxuladex-terejevigetu-fitofubinobu.pdf
    • http://vps22-makerton-inc.pleasingfood.com/uploads/1/3/0/5/130550681/130550681.html#excel+auto+loan+amortization+schedule
    • http://cookielovecustomsugarcookies.com/u

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004270.bin
082fdc5a88fdc9536457fa0989ba99da9a5386b674a7e411eca56fdb6b30321e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4270 8204 bytes

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