Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fc3a6cbc891fd07…

MALICIOUS

PDF

53.6 KB Authoring application: ImageMagick
MD5: 1fe27a2564f3cadc90a23ae6f64cd563 SHA-1: 1d8342840f5df921a1573f2005a91ca7f9ec8653 SHA-256: 3fc3a6cbc891fd071eca61e1b960c5bb5ec0de4865ca7ccc983d9e9201341c3b
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by multiple heuristics as malicious, including a critical finding for a link farm. The presence of numerous embedded URLs pointing to other PDF files suggests a phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://comedyzoneproject.com/uploads/1/3/0/7/130776113/pasibovazanep_bizetitifelokij.pdf
    • http://cozzomediation.com/uploads/1/3/0/5/130540063/ravewizeziv_kinanib_gugogog.pdf
    • http://awakenyourwarriorspirit.com/uploads/1/3/0/3/130323733/vibigojuwena.pdf
    • http://nataliesnutrition.ca/uploads/1/3/0/5/130551230/59b0028709feb94.pdf
    • http://deephalf.com/uploads/1/3/0/8/130813604/1767343.pdf
    • http://nuecescanyonlodge.com/uploads/1/3/0/6/130621786/fidetanonoxixilamuxa.pdf
    • http://natalieeldridge.com/uploads/1/3/0/2/130272616/5b413d0.pdf
    • http://www.amandaehrhard.com/uploads/1/3/0/3/130313557/8211419.pdf
    • http://excessivelydiverting.com/uploads/1/3/0/4/130477126/teritasogej-zakit-zepafubin-dabutu.pdf
    • http://nickihumblesbridalbeauty.com/uploads/1/3/0/6/130605084/2324577ec.pdf
    • http://silkgymnasium.com/uploads/1/3/0/5/130539097/xetugej.pdf
    • http://strategicsolutionsint.com/uploads/1/3/0/2/130272352/e30c583fac85.pdf
    • http://rebeccakidd.com/uploads/1/3/0/4/130435658/sezosebubela-mawugibevag-buzelunanadose-zakaxutizi.pdf
    • http://podollansa.devsite-1.com/uploads/1/3/0/7/130739793/130739793.html#iceland+golden+circle+tour+with+snowmobile

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e33.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E33 16036 bytes
font_01_sfnt_off000075de.bin
503a4ce5897b73299b481a2d49905c5edae7fa22cb89758f88e904f84a8eb2eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75DE 9700 bytes

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