Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d6900fcf87307b…

MALICIOUS

PDF

40.4 KB Authoring application: LibreOffice
MD5: ac338bc5422210fa0d30b10c5f630bb4 SHA-1: fdaf378758d7998f3fe3842dfb83c5acc78e9634 SHA-256: e0d6900fcf87307b0b4c704aa6fd4ca767f7a9ad395419a8fb00683fcf98fb4b
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a large number of external links, many pointing to other PDF files, suggesting a link farm or redirection mechanism. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, likely for a scam. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery or persistence mechanisms.

Heuristics 4

  • 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://verticalfitness100.com/uploads/1/3/0/5/130589020/fekiziranukipu-bijuvubekal-delimuwipivori.pdf
    • http://argentinahop.com/uploads/1/3/0/2/130270956/21b1071616c9e.pdf
    • http://koahspeargun.com/uploads/1/3/0/8/130813054/1b0993c6.pdf
    • http://spartanadvantage.com/uploads/1/3/0/6/130603692/4098928.pdf
    • http://justsweetlovela.com/uploads/1/3/0/5/130541208/3346250.pdf
    • http://sjhameed.com/uploads/1/3/0/5/130540592/257ba603cbe6.pdf
    • http://world-with-elegance.com/uploads/1/3/0/8/130814706/3870970.pdf
    • http://canadianwealthpartners.com/uploads/1/3/0/6/130621404/95f826a.pdf
    • http://whatscript.com/uploads/1/3/0/4/130435784/8313752.pdf
    • http://shannoncallarman.com/uploads/1/3/0/2/130289577/nujepavozev.pdf
    • http://morahill.com/uploads/1/3/0/5/130543394/lesipix.pdf
    • http://somorra.com/uploads/1/3/0/2/130274017/mejeruvajejew_tebarakemokepo_wupemijivoro.pdf
    • http://raykakobiella.com/uploads/1/3/0/5/130590180/faxukotabakeko.pdf
    • http://northernessentials.net/uploads/1/3/0/4/130489132/950b4f0b.pdf
    • http://www.globalsecurity-gps.com/uploads/1/3/0/7/130776434/0e2dd8591c55.pdf
    • http://autodiscover.gammaxiques.org/uploads/1/3/0/7/130775137/130775137.html#free+arizona+rental+lease+agreement+form
    • http://raykakobiella.com/uploads/1

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c5b.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5B 16036 bytes
font_01_sfnt_off00004356.bin
f48b5826dfb5bd1ed1599cb52ac0be62c34c758be458e7eaf758e96449c6744b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4356 7772 bytes

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