Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e49b702ee012b5b…

MALICIOUS

PDF

35.2 KB Authoring application: QPDF
MD5: 12e361ee67b841f8d14d684e61d7e879 SHA-1: b732510391a4fbb24c099608f195f0b84a06da50 SHA-256: 5e49b702ee012b5b0930482bc75e388c5ac5a58a14e2c22154f770cde999d604
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further indicate malicious intent. The embedded URLs likely serve as a mechanism to redirect users to malicious content or phishing sites.

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://www.chapter6.americansingercanary.com/uploads/1/3/0/7/130775144/sidolelokude.pdf
    • http://musicresources.church/uploads/1/3/0/6/130604958/norafal.pdf
    • http://belleferme.com.au/uploads/1/3/0/6/130604729/gekiwiseg-vimuzoterijafap-gasapeguwoxo.pdf
    • http://ucddowntown.org/uploads/1/3/0/5/130550944/925a124.pdf
    • http://krtucker.com/uploads/1/3/0/7/130774966/gepawezisiz-nabuxugugupave-pivaduza.pdf
    • http://kylealpha.com/uploads/1/3/0/5/130550800/7465332.pdf
    • http://www.beaddesignsbypamela.com/uploads/1/3/0/8/130814432/3642191.pdf
    • http://smartliftvest.net/uploads/1/3/0/4/130483417/nepoze-vegaziji-leruzizotiluj-kodogupaxefubiw.pdf
    • http://theempoweredyou.com/uploads/1/3/0/4/130483123/4843207.pdf
    • http://chinareportsdirect.com/uploads/1/3/0/5/130551006/nozadisede.pdf
    • http://curvaceouscouturbridalinma.com/uploads/1/3/0/4/130435721/be3c031.pdf
    • http://btctree.net/uploads/1/3/0/6/130640079/purada.pdf
    • http://yposlingshot.com/uploads/1/3/0/4/130490584/kamuxepi_doxozusegumedav.pdf
    • http://x0568707xstreamtravel.xsideas.com/uploads/1/3/0/7/130775130/130775130.html#sap+abap+hana+training+in+mumbai

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000302c.bin
cd63fe71390dd916584661d89c82ccf68ada88186107cd431c762ded91e6932d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x302C 8004 bytes

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