Malicious PDF — malware analysis report

Static analysis result for SHA-256 12e83219b0c84de7…

MALICIOUS

PDF

47.9 KB Authoring application: Adobe PDF Library 9.0
MD5: 7b32d6304e55754a7288c66ce057ef71 SHA-1: 32bafc8d965394cd443fd21156f85ad29618aa10 SHA-256: 12e83219b0c84de719e0a17d29037ad54d43419595001100ae1c6fab86b35464
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

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://theafricanbeercompany.com/uploads/1/3/0/6/130620302/2805575.pdf
    • http://supplementbottles.com/uploads/1/3/0/4/130489467/7722967.pdf
    • http://rubyoakphotography.com/uploads/1/3/0/2/130274109/5538982.pdf
    • http://michalrutkowski.us/uploads/1/3/0/2/130289292/piwez.pdf
    • http://mryu.net/uploads/1/3/0/2/130272600/9766167.pdf
    • http://mjtservices.info/uploads/1/3/0/4/130483429/3056675.pdf
    • http://aldergrovelandscaping.com/uploads/1/3/0/7/130776504/5882022.pdf
    • http://unitedstatesyearbooks.com/uploads/1/3/0/5/130540507/miponudenisutob_guvuxupega_pobuxufozif_dazapu.pdf
    • http://korolevstvo.website/uploads/1/3/0/7/130775722/soxusovezora-lawixewaret-tefiwowifitif.pdf
    • http://weinerwhere.com/uploads/1/3/0/4/130479008/ruputelijavudirutone.pdf
    • http://friendblox.com/uploads/1/3/0/4/130488197/lidavojake-gekuwetedabepu-zogumotes.pdf
    • http://lolaandjack.com/uploads/1/3/0/2/130291029/afda06.pdf
    • http://severedthumbsart.com/uploads/1/3/0/2/130274316/26a3a4cd95796a.pdf
    • http://tattyscoins.co.uk/uploads/1/3/0/5/130542920/fupejabikuril_fosenomaso_wipozaro.pdf
    • http://completeremodellingsvs.com/uploads/1/3/0/5/130588473/wiwajokigaruvap_toladagas.pdf
    • http://allaccessbuildingservices.com/uploads/1/3/0/7/130775336/3881287.pdf
    • http://hubsinhalf.com/uploads/1/3/0/6/130621462/meget.pdf
    • http://ivcbrighton.com/uploads/1/3/0/7/130739472/3083621.pdf
    • http://workwatcher.com/uploads/1/3/0/2/130291493/fojajinutavogixuz.pdf
    • http://mirrormirrorministries.com/uploads/1/3/0/4/130489958/299cc666cc2a372.pdf
    • http://sustainablefleet.com/uploads/1/3/0/4/130435520/130435520.html#free+piano+sheet+music+easy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ad0.bin
3e14f28f1415a007ff8d1ea2af766f4c24a5e77bb9bd3333a612923dde135228		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD0 9052 bytes

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