Malicious PDF — malware analysis report

Static analysis result for SHA-256 7555103688da4758…

MALICIOUS

PDF

72.9 KB Authoring application: Adobe PDF Library 9.0
MD5: e3e4da804b435fcbc2c4ecdec6d9dcc0 SHA-1: 16808d496e9121bb158b6474069e6271f017fcdf SHA-256: 7555103688da475854c82bfb303c4a26eec28678936daf302b36cbac3ca9f9ed
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as phishing malware. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://notemonkey.net/uploads/1/3/0/5/130551794/8709633.pdf
    • http://advancedrxtesting.club/uploads/1/3/0/5/130588567/dagesawip.pdf
    • http://hrpropertyrestoration.com/uploads/1/3/0/7/130739088/saruzuronatupenule.pdf
    • http://yourmoviepal.com/uploads/1/3/0/2/130270740/d5dd5e727.pdf
    • http://www.epicprosauto.com/uploads/1/3/0/8/130874016/5058551.pdf
    • http://hotwinedeals.com/uploads/1/3/0/6/130621426/cb85283549817.pdf
    • http://www.seanrussellgamedev.com/uploads/1/3/0/5/130546385/lirota-gefugok-josenemilalanew-vosofusefo.pdf
    • http://jesusplusnothing.net/uploads/1/3/0/2/130272629/3988439.pdf
    • http://intr.link/uploads/1/3/0/6/130639212/forolesuwup.pdf
    • http://ciberdiplomacia.com/uploads/1/3/0/4/130490036/1513386.pdf
    • http://northernsoundandvideo.net/uploads/1/3/0/3/130323526/901679.pdf
    • http://marklutzconstruction.com/uploads/1/3/0/8/130874139/3989662.pdf
    • http://www.jolind.org/uploads/1/3/0/5/130588942/56a56d8e7709965.pdf
    • http://www.accessoutofthebox.com/uploads/1/3/1/0/131070204/7729375.pdf
    • http://hairweaveswigssalelongisland.com/uploads/1/3/0/7/130740596/8592123.pdf
    • http://autofocusreviews.com/uploads/1/3/0/4/130483983/zuzizub.pdf
    • http://casettedemo.com/uploads/1/3/0/6/130620519/vomiv.pdf
    • http://grooveshoprecords.com/uploads/1/3/0/5/130590168/09abfd86491a62.pdf
    • http://www.stephanieleighrittwagecharity.com/uploads/1/3/0/3/130379121/98907.pdf
    • http://txinvite.com/uploads/1/3/0/6/130604728/sufifowakefubib.pdf
    • http://hostmaster.harfieldbooks.com/uploads/1/3/0/4/130489367/3304733.pdf
    • http://libertycharleston.gammaxiques.org/uploads/1/3/0/9/130969311/3942537.pdf
    • http://mountedtactics.com/uploads/1/3/0/6/130640227/warugifixiw.pdf
    • http://x0807796xstreamtravel.xsideas.com/uploads/1/3/0/6/130621812/130621812.html#beatles+guitar+tabs+hey+jude

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a8d2.bin
e0963b624ebc737cb063655247040542e4904e5416950b2ca153caa3a6dad5d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA8D2 8368 bytes

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