Malicious PDF — malware analysis report

Static analysis result for SHA-256 b40cf8ba0eb96d4c…

MALICIOUS

PDF

37.7 KB Authoring application: SWFTools
MD5: 83c6c26c3aac480a445f53627ea678d6 SHA-1: 84132a8fa54195e95877822a09e105f9cce4053b SHA-256: b40cf8ba0eb96d4cad9e7b669e62ddb8224a9b9fac0a356500903e2b75d069b4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification, likely related to phishing or traffic redirection.

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://jeneemusic.net/uploads/1/3/0/3/130313480/dobapobubufenu_wafaboxeseka_sewowi_mizurejus.pdf
    • http://rjhomecontractor.com/uploads/1/3/0/6/130640194/dumaworiposudoz-molukaxubajopin-gasupir-rowutusenaxexi.pdf
    • http://cobblestoneconfectionsbakery.net/uploads/1/3/0/6/130620772/1493ddb6f6487.pdf
    • http://newimagesfencing.com/uploads/1/3/0/4/130483303/1325a2850e56a3.pdf
    • http://agnesmovie.com/uploads/1/3/0/6/130604351/sudobewodidovito.pdf
    • http://betteraustintoday.com/uploads/1/3/0/7/130739220/vesuv_lufofubasixu_wejabesaf_xedamugaxixesud.pdf
    • http://emersoncurtisbradford.com/uploads/1/3/0/2/130289244/a2b82d4c80968ea.pdf
    • http://choreographerconsulting.com/uploads/1/3/0/4/130488615/7087856.pdf
    • http://coffee-a-roma.com/uploads/1/3/0/6/130620668/solijol.pdf
    • http://fpieskitchen.com/uploads/1/3/0/2/130272336/1f3c6.pdf
    • http://armandomoralesalamillo.com/uploads/1/3/0/3/130323675/2760593.pdf
    • http://nswoysters.com/uploads/1/3/0/6/130640039/2822901.pdf
    • http://moodlabnewlife.nl/uploads/1/3/0/5/130588841/130588841.html#giant+african+land+snail+for+sale+near+me

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013ab.bin
36bbb58dfcbd764594a40e9b201cdda5bc4c1e053282eac6bc04c9f89f29b1c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13AB 7944 bytes

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