Malicious PDF — malware analysis report

Static analysis result for SHA-256 dde315010af77701…

MALICIOUS

PDF

37.2 KB Authoring application: pdf-parser
MD5: cadb80b538f8d795a5e7e7f783ae5830 SHA-1: 20a13ae6e503cbf7b8d25f5f83b038b4b662c82c SHA-256: dde315010af7770132f27caa224e93dac342f0c1f8b1dee7c13eb3168bd38def
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique commonly used for link farms or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically related to phishing and potential malware delivery. The document body, though partially corrupted, mentions 'Unanimous shareholder agreement precedent', suggesting a lure to entice users to click on the provided links.

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://volleytennis.net/uploads/1/3/0/5/130551523/8537114.pdf
    • http://richfieldfoundation.org/uploads/1/3/0/7/130738524/nomevugikewowad-wugujonedubase-makuvakagit.pdf
    • http://elementstructure.com/uploads/1/3/0/7/130739789/2c167ed596419.pdf
    • http://cacorganization.org/uploads/1/3/0/3/130323822/jajerasusixebexes.pdf
    • http://nursingresourcesaz.com/uploads/1/3/0/6/130621880/januvobilar.pdf
    • http://www.willamettevalleyoffthegrid.com/uploads/1/3/0/6/130621205/pasijozubasogojirose.pdf
    • http://atlantaclassicstees.com/uploads/1/3/0/5/130589366/a99a65acd.pdf
    • http://aclifesciences.biz/uploads/1/3/0/8/130874368/36a6dcb5.pdf
    • http://rauenhorst.com/uploads/1/3/0/5/130589002/2406144.pdf
    • http://biztriage.com/uploads/1/3/0/2/130274146/xixiwoguxududus_xizilezi_tevipixad_jupinin.pdf
    • http://www.localasbestosgarageremoval.co.uk/uploads/1/3/0/2/130289427/botonaxoge.pdf
    • http://sportzillaonline.com/uploads/1/3/0/4/130483552/zemutafagamom.pdf
    • http://essentialtradecompany.com/uploads/1/3/0/5/130589100/supovofije_zesosonak_sevamu_wisijibis.pdf
    • http://abdelbassitsenhadji.com/uploads/1/3/0/5/130550969/7178938378235.pdf
    • http://www.inglesenprovidencia.com/uploads/1/3/0/3/130379274/4960611.pdf
    • http://pitchstock.net/uploads/1/3/0/7/130739225/xewibusunudewa.pdf
    • http://paulbutlerusa.com/uploads/1/3/0/3/130313564/loxebeneluju.pdf
    • http://lakeelevated.com/uploads/1/3/0/7/130738889/1493e559cf23f6.pdf
    • http://beecreations837.com/uploads/1/3/0/6/130621019/593205.pdf
    • http://djmichaelsimon.com/uploads/1/3/0/7/130775758/wovoxagilix.pdf
    • http://friendsofengineering.com/uploads/1/3/0/7/130775876/judivi.pdf
    • http://www.genius-usa.com/uploads/1/3/0/3/130379814/zovaziwu-viroxer.pdf
    • http://careerwarriorevents.com/uploads/1/3/0/6/130620470/4164996.pdf
    • http://www.membraneemulsification.com/uploads/1/3/0/8/130814457/ruradiru.pdf
    • http://bet365youhui.br3h.com/uploads/1/3/0/5/130589366/130589366.html#unanimous+shareholder+agreement+precedent
    • http://paulbutlerusa.com/uploads/1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d6b.bin
f97627f637cdc71d442098be1673613b32edad65cf812e6e30a5b9a3f29b7b90
pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6B 7916 bytes