Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d7394ba153cc5e2…

MALICIOUS

PDF

39.0 KB Authoring application: Poppler-utils
MD5: bc5aa1aba5191137d46c2ab4b0b29663 SHA-1: 5051d6f577dac5d131c093ff9307fcb7f973d221 SHA-256: 2d7394ba153cc5e2f9af9252864814a7f4c5eea8e72ed195105c74c7a266da76
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The primary attack pattern involves luring users to click on these links, which likely lead to further malicious downloads or phishing pages.

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://bearversusbaby.net/uploads/1/3/0/6/130620963/17e993a.pdf
    • http://fyns-skilte-design.dk/uploads/1/3/0/6/130604588/d14fa14604.pdf
    • http://carmelorganizer.com/uploads/1/3/0/5/130544067/dec7b01e703d6.pdf
    • http://leftproject.org/uploads/1/3/0/4/130488067/9578479.pdf
    • http://cookesbooks.com/uploads/1/3/0/6/130621076/8231096ae.pdf
    • http://thetransformationinprogress.online/uploads/1/3/0/6/130604372/04f303db71a.pdf
    • http://north42sales.ca/uploads/1/3/0/6/130639468/dugexi_pixefulabuzumav_rolirebiwum.pdf
    • http://albeefoundation.com/uploads/1/3/0/8/130813645/d3910119.pdf
    • http://phillydish.net/uploads/1/3/0/3/130313458/6529097.pdf
    • http://wall-merch.com/uploads/1/3/0/7/130775977/2225935.pdf
    • http://www.thelinehandbtinstitute.org/uploads/1/3/0/3/130323206/pirezazedefunip.pdf
    • http://hellojean.com/uploads/1/3/0/3/130323180/gotinojuk_vojagadegaxezog_kukofupurivulu.pdf
    • http://storybrooke.club/uploads/1/3/0/5/130588857/bikibod-fobujoxozuluse.pdf
    • http://thelunakit.com/uploads/1/3/0/6/130604879/febideganozedumeku.pdf
    • http://miloandmonroeboutique.com/uploads/1/3/0/3/130323822/aba51089600b70f.pdf
    • http://thebiotutor.com/uploads/1/3/0/6/130620893/7582540.pdf
    • http://raritygroup316.com/uploads/1/3/0/4/130488661/dc43d56ac.pdf
    • http://mattsfavoritethings.com/uploads/1/3/0/2/130272295/lavudezobat.pdf
    • http://noblecarerehab.com/uploads/1/3/0/7/130775888/rulesiziwuka.pdf
    • http://bravogolfaviation.com/uploads/1/3/0/5/130539107/858d16e11792da3.pdf
    • http://www.rifdgroup.com/uploads/1/3/0/6/130604884/7081728.pdf
    • http://webdisk.coprimag.com/uploads/1/3/0/6/130603890/130603890.html#descriptive+analysis+and+content+analysis

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000038ed.bin
5ea69321af326ab7272e99cc0427f8feeda5c5ddfa56f4be732b916285c96c06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x38ED 7568 bytes

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