Malicious PDF — malware analysis report

Static analysis result for SHA-256 20a9cec6e81e285b…

MALICIOUS

PDF

40.5 KB Authoring application: LibreOffice
MD5: 51926f9e3ffa97c090ddbe3b6b4bdf91 SHA-1: beec422693611ff5c43535f7893e2781e45b7b95 SHA-256: 20a9cec6e81e285be88a698c6499b8d55c001a301400ef5a6e870adeed9e8e09
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a critical heuristic firing for PDF_SEO_LINK_FARM, indicating the presence of 31 external PDF links. The dominant host for these links is www.swayecapitale.com. The document body is heavily obfuscated and does not provide clear user-facing text, but the sheer volume of external links strongly suggests a phishing or malware distribution campaign.

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.swayecapitale.com/uploads/1/3/0/4/130494636/8041b9c.pdf
    • http://blakeconway.com/uploads/1/3/0/8/130814967/nezodisataguwid-jazefekoxaxe.pdf
    • http://mail.danceclosetboise.com/uploads/1/3/0/6/130605077/bijov.pdf
    • http://clogdancing.us/uploads/1/3/0/4/130483478/6322868.pdf
    • http://starwarscamps.com/uploads/1/3/0/7/130738951/luzut-panigofudofow-pawakajo.pdf
    • http://workplaemassagetherapy.com/uploads/1/3/0/6/130604878/6883269.pdf
    • http://napalmquist.com/uploads/1/3/0/6/130640091/sakimove.pdf
    • http://www.realearlgrey.com/uploads/1/3/0/6/130621985/9717467.pdf
    • http://webmail.fastparcel.net/uploads/1/3/0/7/130775221/jafivogurenori-julivape-butipu.pdf
    • http://guide2pifs.com/uploads/1/3/0/5/130541677/887da3.pdf
    • http://sideshowmarketing.net/uploads/1/3/0/6/130603995/repujekofemifusoj.pdf
    • http://stagfish.com/uploads/1/3/0/2/130272296/zunisilolasim.pdf
    • http://coolmanhaulage.net/uploads/1/3/0/6/130620416/3702602.pdf
    • http://salgadosgourmet.net/uploads/1/3/0/4/130435598/907225.pdf
    • http://mx.lbnlex.com/uploads/1/3/0/6/130639743/davuxorome.pdf
    • http://www.northlight.lv/uploads/1/3/0/6/130604425/9568241.pdf
    • http://mrstodd.net/uploads/1/3/0/7/130739656/1186667.pdf
    • http://effectiveinfotech.com/uploads/1/3/0/5/130538925/dugupo.pdf
    • http://soulsuccess.com.au/uploads/1/3/0/8/130874066/bilalamatuge.pdf
    • http://canichecouture.com/uploads/1/3/0/4/130492127/mosebobadaxi.pdf
    • http://laceyandleatherexoticattirellc.com/uploads/1/3/0/4/130476054/delepivinawi-lokigegasezepi.pdf
    • http://standoutindallas.com/uploads/1/3/0/5/130543207/b11a2561.pdf
    • http://www.georgedudley.net/uploads/1/3/0/5/130540209/gejukiga.pdf
    • http://hostmaster.hill-morriss.com/uploads/1/3/0/7/130775339/53cdc2.pdf
    • http://stovewiseofcheshire.co.uk/uploads/1/3/0/4/130488483/1908323.pdf
    • http://xstreamspecial.xsideas.com/uploads/1/3/0/7/130740419/130740419.html#ukulele+chords+songs+landslide

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e1a.bin
3d52fc27d04b8b84b219df719738f768697e09c2050136bc1fe69fcddf4eca6e
pdf-font-stream PDF embedded font (sfnt) at offset 0x2E1A 2652 bytes
font_01_sfnt_off000039fc.bin
9bb0da7d058617dbf3e5db7c815fe2ce4f7c3119f3287d1025e25fe98b9cf973
pdf-font-stream PDF embedded font (sfnt) at offset 0x39FC 7784 bytes