Malicious PDF — malware analysis report

Static analysis result for SHA-256 4419c69052313cc0…

MALICIOUS

PDF

58.9 KB Authoring application: OpenOffice.org
MD5: 2b407b9b39b4ac7b5c820d3965733303 SHA-1: 3959bfa026e3487ef3f9b28c3fa91bb24895dae7 SHA-256: 4419c69052313cc0439bb24b85cacadd0cb293228f92cc101d97b79eb2e46178
152 Risk Score

Malware Insights

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

The PDF file was identified as malicious by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains numerous embedded URLs, all pointing to external PDF files hosted on various domains. This suggests a link farm or redirection mechanism designed to lead users to potentially malicious content, likely phishing pages or further malware downloads.

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://www.southmanchesterpsychology.co.uk/uploads/1/3/0/6/130621542/xajolutetajix.pdf
    • http://brunosneaker.com/uploads/1/3/0/5/130543545/bumole_genevorezid_ligovusimemiv.pdf
    • http://www.enduremods.co/uploads/1/3/0/6/130621683/kugake-sopimajifovanu.pdf
    • http://plataformaciudadana.net/uploads/1/3/0/7/130776413/4600759.pdf
    • http://paradiseclothing.org/uploads/1/3/0/7/130776279/ea9b1106b4.pdf
    • http://ayasuda.com/uploads/1/3/0/8/130814421/255484.pdf
    • http://traind.me/uploads/1/3/0/6/130605506/c72d277969a1bc2.pdf
    • http://segabnb.com/uploads/1/3/0/5/130543995/699694.pdf
    • http://angelafrankel.com/uploads/1/3/0/2/130289595/popapudesa_notiborimegela_rixud.pdf
    • http://michiganlegalmalpracticequestions.com/uploads/1/3/0/5/130550981/robudoliki_loxepirapofib.pdf
    • http://woodlandswomensexpo.com/uploads/1/3/0/6/130621283/78cb4cdf80b4.pdf
    • http://tunedinteacher.com/uploads/1/3/0/3/130323755/pekabaxagafoji_pumigemi_sozifolepusof_mixuwujemewun.pdf
    • http://laurenskustomcreations.com/uploads/1/3/0/4/130477064/8215424.pdf
    • http://robertwendellholmes.com/uploads/1/3/0/5/130551700/fbd885.pdf
    • http://lillyzoo.net/uploads/1/3/0/9/130969304/defaloludutudoxapiwa.pdf
    • http://www.huntclubpark.org/uploads/1/3/0/4/130489909/d4824e243f.pdf
    • http://audiopron.com/uploads/1/3/0/7/130739688/279f4a72abf5.pdf
    • http://playhardathletics.com/uploads/1/3/0/8/130873961/a750c.pdf
    • http://mail.mmec.com.sg/uploads/1/3/0/7/130775192/difebadixelozaralu.pdf
    • http://davenportwrites.com/uploads/1/3/0/6/130604956/9056145.pdf
    • http://dansvorcan.com/uploads/1/3/0/4/130488699/130488699.html#trane+chiller+parts+diagram
    • http://audiopron.com/uploads/1/3/0/7/130

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ab4.bin
cbda598f48b226bcd23840405551b46db2d803e9d0e23251c4ec269681438e89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3AB4 7956 bytes

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