Malicious PDF — malware analysis report

Static analysis result for SHA-256 1576b55e8ced8299…

MALICIOUS

PDF

35.5 KB Authoring application: Nitro PDF
MD5: 198adab1d7e0f5c622349da34ac1c9f3 SHA-1: e21d07be1f2f173196f41b52ce18cd6704874966 SHA-256: 1576b55e8ced82997401c59f98db35298641e8cfa9c2b7617c11c2f9097caa5f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or SEO abuse. No scripts were extracted, but the sheer volume of external links suggests a coordinated effort to direct users to potentially harmful content.

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://shendos.com/uploads/1/3/0/6/130639661/napabemuwasudo_dejeziramu_rikabexux.pdf
    • http://www.sleeprightproperties.co.uk/uploads/1/3/0/6/130621030/zelaropalom.pdf
    • http://spi-cibernetica.com/uploads/1/3/0/4/130435959/puduzajubemodadodu.pdf
    • http://www.lowcountrycommunityservices.com/uploads/1/3/0/6/130604562/72407f88.pdf
    • http://themartchicago.com/uploads/1/3/0/7/130775232/bamane_rasaw_jogeruzoperemut_zapum.pdf
    • http://nwm6.club/uploads/1/3/0/7/130775806/83718d.pdf
    • http://jlcustomturkeycalls.com/uploads/1/3/0/5/130589088/wiviv-kosuzu-torenusupowe-namenadivu.pdf
    • http://southernhousepitality.net/uploads/1/3/0/4/130483207/691b384.pdf
    • http://raise.deals/uploads/1/3/0/4/130483866/depamipanoxope.pdf
    • http://wagnercottonwedding.com/uploads/1/3/0/6/130604192/fab1be6d245.pdf
    • http://amayalada.com/uploads/1/3/0/8/130814066/jazutes_zuregevetuke.pdf
    • http://www.kasey.eu/uploads/1/3/0/2/130271030/kenozepigobij.pdf
    • http://www.thefullflavour.com/uploads/1/3/0/2/130289354/215322cda7.pdf
    • http://karmatypology.net/uploads/1/3/0/6/130621063/fd8c5.pdf
    • http://jetsettertravelinc.com/uploads/1/3/0/8/130874575/vofivikatopavenovin.pdf
    • http://bodysoulcomplementarytherapies.com/uploads/1/3/0/5/130551890/lonak_zodigotuzale_kezipopupaza_lidumarapan.pdf
    • http://arcspecialtycontracting.com/uploads/1/3/0/6/130620274/2995661.pdf
    • http://blueabydesigns.com/uploads/1/3/0/6/130603895/dipifirugegokabeg.pdf
    • http://www.marthasvineyardhistory.com/uploads/1/3/0/6/130639321/wezanirepa_buruv.pdf
    • http://74-123-77-179.mgwnet.com/uploads/1/3/0/6/130621614/130621614.html#would+cause+a+leftward+shift+of+the+aggregate+demand+curve+quizlet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ca7.bin
54d0b49c6dbcbbc38761ac7d79f13031353b8f4bb246a2d7746159aee8a77c48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA7 7476 bytes

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