Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cb745db4143ba00…

MALICIOUS

PDF

36.9 KB Authoring application: pdf-parser
MD5: 289eb71a4e52afbc060b79a84bdfa6a2 SHA-1: 44b878decc7e6e7f21639603f4edf389cb7287f9 SHA-256: 6cb745db4143ba00e5d401c19642121d6487cf7d6b9394a049f3ade2a8546861
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links to external 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 and ML classifier further support its malicious nature.

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://stefaniaandjoe.com/uploads/1/3/0/4/130493248/e5d597f8867c71.pdf
    • http://www.she-techs.com/uploads/1/3/0/4/130490006/1708649.pdf
    • http://etergrow.com/uploads/1/3/0/5/130588718/zijalepimu.pdf
    • http://hostmaster.dotexcanada.ca/uploads/1/3/0/4/130477755/kevutul-liparijumixe-jevuzetaluwineg-jewanikopuzabo.pdf
    • http://nmediadigital.com/uploads/1/3/0/5/130551661/9614acd54.pdf
    • http://revenuelist.com/uploads/1/3/0/5/130551330/1653996.pdf
    • http://dri-uk.org/uploads/1/3/0/2/130289690/givoluramurixil.pdf
    • http://blpforma.fr/uploads/1/3/0/4/130436163/famonowe.pdf
    • http://74-123-78-115.mgwnet.com/uploads/1/3/0/4/130476511/wotavibiloz_busina.pdf
    • http://thewitchsgarden.com/uploads/1/3/0/5/130588278/tegutunepida_biremunene_jejunorajimapok_titasunur.pdf
    • http://www.zigineer.com/uploads/1/3/0/2/130291033/573026.pdf
    • http://leg-al.com/uploads/1/3/0/4/130483842/ccdcc1a9.pdf
    • http://soontravelagency.net/uploads/1/3/0/8/130814980/1190279.pdf
    • http://brickartist.shop/uploads/1/3/0/8/130813497/lapupi.pdf
    • http://imperium-guild.com/uploads/1/3/0/7/130738721/juniludinib.pdf
    • http://annkellettwriting.com/uploads/1/3/0/2/130289410/586695.pdf
    • http://fearlesstennis.net/uploads/1/3/0/8/130813100/kamalezoz_galibu_lekulib_sazapew.pdf
    • http://www.jameelehshelo.com/uploads/1/3/0/6/130621691/130621691.html#homeostasis+and+cell+transport+crossword+answer+key

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031d3.bin
05f5023213ed227ebe4a0134cef34a995d6649fd832f38120e9ec76271cbf4b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31D3 8532 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.