Malicious PDF — malware analysis report

Static analysis result for SHA-256 94cb9973751a2df0…

MALICIOUS

PDF

135.7 KB Authoring application: OpenOffice.org
MD5: 70ce5f860acdb2c0566665fd6b2196e0 SHA-1: ad1fc26c9fab30c24abcbd7d555d4ccd24a592dd SHA-256: 94cb9973751a2df03acb184f25b33ff7b5f3df46701089708b9289c61b7808af
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF documents. This pattern is indicative of a link farm designed to manipulate search engine results or to serve as a distribution point for malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://plumbingsimivalley.net/uploads/1/3/0/7/130775690/33f1f0c1152.pdf
    • http://geek-ishthings.com/uploads/1/3/0/6/130605124/7572781.pdf
    • http://tavernegoudenpunt.be/uploads/1/3/0/5/130550741/4584037.pdf
    • http://myroyaltonwedding.com/uploads/1/3/0/7/130739204/1753887.pdf
    • http://veteranhillhops.com/uploads/1/3/0/5/130589044/befami.pdf
    • http://basecamp-branding.com/uploads/1/3/0/5/130540585/5335366.pdf
    • http://mail.nederlandvooroordeelvrij.nl/uploads/1/3/0/2/130288492/479564.pdf
    • http://brentsyoga.com/uploads/1/3/0/5/130590261/6501aa2e0a18.pdf
    • http://machin-machine.org/uploads/1/3/0/6/130640059/3206005.pdf
    • http://quedcard.com/uploads/1/3/0/4/130483817/panemupivikoditizod.pdf
    • http://kiddiesdaycare.com/uploads/1/3/0/4/130488362/kapegijomegumeragaw.pdf
    • http://summerfoxart.com/uploads/1/3/0/7/130776676/5629786.pdf
    • http://sfsparkscheerleading.com/uploads/1/3/0/6/130639751/0ef9e577203cd.pdf
    • http://30monumentsq.com/uploads/1/3/0/5/130589386/5ff5cc.pdf
    • http://lemonews.com/uploads/1/3/0/5/130543546/5812323.pdf
    • http://allatjanster.online/uploads/1/3/0/4/130483204/9473347.pdf
    • http://5280tattooremoval.com/uploads/1/3/0/5/130590724/0dfeaec27efd6.pdf
    • http://2dl6l.bpmtc.com/uploads/1/3/0/5/130589268/130589268.html#american+english+file+3+teacher%27s+book+resuelto

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000134e.bin
785bd1e831a34a933ecdf5bcbf82cafa3abf93c0920cc3dfab954a87d8abd33e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x134E 11440 bytes
font_01_sfnt_off0001a0fc.bin
4d00e61e659320bf4de1399a65b15ff72b2cd5cf980d1d4279fe84f4cf9dfaa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A0FC 2648 bytes
font_02_sfnt_off0001a9e1.bin
bf0b9883b08ee0ce0486e18714aed2c7266096c30ea74be07b7ab3c99d812fa0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A9E1 16824 bytes

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