Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec6264f5b4f04370…

MALICIOUS

PDF

39.0 KB Authoring application: GIMP
MD5: 4c64d2086b4f23102e278f6fabd00647 SHA-1: cd44c2162bd471f71b9564957b4967e754d3437b SHA-256: ec6264f5b4f04370c5ba08f35a8d87c1fc7770734ae4b2a9f1f3d2674c2fe6f4
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF files, a technique commonly used for SEO poisoning and phishing. The document body, while containing garbled text, mentions downloading a 'Bhagwat gita marathi pdf file', suggesting a lure to trick users into downloading further malicious content. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and malicious download intent.

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://oaklandzendo.org/uploads/1/3/0/6/130603907/b844647aef3e728.pdf
    • http://wilsonfarmmurfreesboro.com/uploads/1/3/0/6/130603980/7005643.pdf
    • http://beardedbeaverco.com/uploads/1/3/0/5/130543840/c9aa55bd401cc0.pdf
    • http://ivyensemble.com/uploads/1/3/0/5/130551132/6492358.pdf
    • http://bravohobby.com/uploads/1/3/0/4/130483629/710fab4.pdf
    • http://modaallettante.com/uploads/1/3/0/3/130312953/mojigujaz_betebuwenefupiw_vixenejipop_dened.pdf
    • http://comprofi.ru/uploads/2020/01/29/jomilisis-zepevogux-xidure-gazoge.pdf
    • http://kebefukix.zimatrix.com/uploads/2020/01/28/4489117.pdf
    • http://midtrans.online/uploads/1/3/0/5/130589198/485983.pdf
    • http://newgriffinbaptistchurch.com/uploads/1/3/0/3/130379638/b006c4cb.pdf
    • http://wimus.trubdesign.com/uploads/2020/01/28/3556257.pdf
    • http://nosborne.com/uploads/1/3/0/7/130740589/5305951.pdf
    • http://michaelshusko.com/uploads/1/3/0/2/130287920/130287920.html#bhagwat+gita+marathi+pdf+file

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001334.bin
997b8f9669d91a719ed74cba299aa8517d91550e6dbad7090e15b730e7f88078		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1334 8484 bytes
font_01_sfnt_off00004edd.bin
55c7abf7ae0aba6c49693877a97b91f57c2a59d8dea67445a51e0bfe4f0fb955		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EDD 16840 bytes

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