Malicious PDF — malware analysis report

Static analysis result for SHA-256 94173f85efa2f5d7…

MALICIOUS

PDF

37.7 KB Authoring application: Scribus
MD5: 0907ccf518fa3da7545dcfac42d099e9 SHA-1: 218b145e3e9e4951739627e8ff378c27beb46aeb SHA-256: 94173f85efa2f5d7f79b73e23583a34881993c34869478cc4997050789a9dfb2
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 and ML classifier strongly indicate malicious intent. No scripts were extracted, and the document body is heavily obfuscated, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://autodiscover.efg.de/uploads/1/3/0/6/130604552/fegagalefikafo.pdf
    • http://leadershipmartialartsacademy.com/uploads/1/3/0/5/130542948/gujikotakepe-zubitatunalo-vifum-nigurigor.pdf
    • http://sunshinepics.net/uploads/1/3/0/3/130323154/lumijeta_zofetonid.pdf
    • http://queenmode.org/uploads/1/3/0/5/130551190/5d22ff1a499b8da.pdf
    • http://intellidocs.net/uploads/1/3/0/7/130739105/b5af7409.pdf
    • http://webdisk.lapakumroh.com/uploads/1/3/0/5/130542870/kijolunukexarabofav.pdf
    • http://hcchi.net/uploads/1/3/0/4/130491179/zewetesagajarox_xepixa.pdf
    • http://www.coldcreekllc.net/uploads/1/3/0/8/130874278/guzinifux-xosawovinoz.pdf
    • http://ccamsolutions.com/uploads/1/3/0/6/130640006/4351b28c570e817.pdf
    • http://venicetransfergroup.com/uploads/1/3/0/6/130605041/gofetitagojepi-jekiburube-xodafenagep-polaxapenonan.pdf
    • http://www.fyimetrics.com/uploads/1/3/0/4/130479513/werizoxibe-jafiwamoni-zijokesijopisa-jutowemebe.pdf
    • http://narmermarine.com/uploads/1/3/0/8/130813420/miwivukunenuzogono.pdf
    • http://youmeandfivebucks.com/uploads/1/3/0/8/130814329/zezikijewevok_pewedibu_xakagewebunobi_zumezakepisuje.pdf
    • http://qigongfirenze.com/uploads/1/3/0/4/130483566/ac3869.pdf
    • http://hostmaster.mikenoelsmith.com/uploads/1/3/0/6/130620293/d6a55.pdf
    • http://hostmaster.karonasound.co.uk/uploads/1/3/0/5/130538931/tenux.pdf
    • http://athletic-ink.com/uploads/1/3/0/4/130476327/7402192.pdf
    • http://ninejazz.com/uploads/1/3/0/7/130775261/buvenifun-rowaxi-wanaxolamize.pdf
    • http://amazingloveforever.com/uploads/1/3/0/6/130604582/569802ba51b4e5.pdf
    • http://claudiamcdonaldglass.com/uploads/1/3/0/4/130475981/2061427.pdf
    • http://retreatonlonemancreek.com/uploads/1/3/0/7/130775838/tabaf-gumegunuxesu.pdf
    • http://bitstructure.org/uploads/1/3/0/3/130324440/805f81a45636aec.pdf
    • http://goldcoastasbestosremoval.com/uploads/1/3/0/7/130739835/ea351886c69a8c.pdf
    • http://mhpowellartist.com/uploads/1/3/0/4/130476496/povoto_vowimajukajeke.pdf
    • http://host90.carmichaelnl.com/uploads/1/3/0/7/130739389/130739389.html#laboratory+diagnosis+of+rheumatic+heart+disease

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003026.bin
ffc16f8f884195d6e94bdc5a0cefe74079631ba777a9b928a6122fe5ba1a4540		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3026 7488 bytes

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