Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f92921794c0d87e…

MALICIOUS

PDF

51.2 KB Authoring application: GIMP
MD5: 75cbb39b70b15ca384d164924662f551 SHA-1: 0719678a892f33615131b2a14e2531074a596afc SHA-256: 9f92921794c0d87eed945fadc4f908d89ec0a781d640a228ca209cfc1589c635
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 links to external PDF files, as detected by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as Pdf.Phishing.TtraffRobotInstall. This indicates a likely phishing or SEO manipulation campaign, where the primary goal is to drive traffic to a network of linked documents. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather as a container for the malicious links.

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://gijumpers.com/uploads/1/3/0/6/130604289/dijuzujuzujimat_mexede.pdf
    • http://medicalmalpracticegeorgia.com/uploads/1/3/0/6/130603943/vikajawe.pdf
    • http://juniorspacerangers.org/uploads/1/3/0/5/130538945/a8fb0da85d2c1bc.pdf
    • http://nabeelreviews.com/uploads/1/3/0/7/130739615/42c3efc8aeb5c.pdf
    • http://myadorediamonds.com/uploads/1/3/0/2/130288492/14565a2e3e.pdf
    • http://www.francisca-moda.com/uploads/1/3/0/5/130588349/ruvud.pdf
    • http://elateyoga.org/uploads/1/3/0/6/130620327/9632657.pdf
    • http://mrswatsonsroom.com/uploads/1/3/0/7/130739626/mixojofi.pdf
    • http://odessahomeinspection.com/uploads/1/3/0/4/130478470/dcbb05ca2.pdf
    • http://palace-hill.co.uk/uploads/1/3/0/2/130272070/8628733.pdf
    • http://www.beardugobabies.com/uploads/1/3/0/5/130541209/8283657.pdf
    • http://bryantxcarpetcleaner.com/uploads/1/3/0/6/130604476/kesawivokimip.pdf
    • http://carolinetaylor.com.au/uploads/1/3/0/7/130775971/2e775a6a4d2e4.pdf
    • http://adulosangeles.com/uploads/1/3/0/2/130272488/wijesifi-vorid-zaritop.pdf
    • http://www.19cowleystreet.co.uk/uploads/1/3/0/2/130273589/6934209cc7a.pdf
    • http://kaubell.com/uploads/1/3/0/5/130540159/b857f76e2d.pdf
    • http://operationbarefootfreedom.com/uploads/1/3/0/7/130775865/wukimokot.pdf
    • http://vryourlisting.com/uploads/1/3/0/6/130639621/gofovuxot.pdf
    • http://fr.koh-lantist.com/uploads/1/3/0/7/130775145/611039.pdf
    • http://thesteaklab.com/uploads/1/3/0/7/130775692/99908e819bc.pdf
    • http://pastorj-ministries.com/uploads/1/3/0/8/130874372/sexomo_lepizibezaponov_mupit.pdf
    • http://atozconstructionsinc.com/uploads/1/3/0/3/130323738/japusopo-rotom-robuvegasojo-morulojagos.pdf
    • http://br946.slpny.com/uploads/1/3/0/7/130739001/130739001.html#acidosis+tubular+renal+tipo+iv+hipoaldosteronismo+hiporrenin%C3%A9mico

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001119.bin
a609e0158dba69c0af98bec36fba0da64f05c104f7ceb91b5dc20c78be06be90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1119 8972 bytes

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