Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7416717b2ec0c11…

MALICIOUS

PDF

34.4 KB Authoring application: QPDF
MD5: 44ac5efd71f414230407d243a61428f4 SHA-1: d92d3c32983a737d931d2bf078e0c199f1c10331 SHA-256: a7416717b2ec0c11d2e5f5512ffda12d7fb7719df30d7d57d1c25bd5b4a42c95
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on various domains. This behavior is indicative of a link farm used to distribute phishing content or malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. No scripts were extracted from this sample.

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://mta119.qualitynow.net/uploads/1/3/0/6/130605048/bapoji_natuwito_gasukisaboviki.pdf
    • http://andreaforgood.org/uploads/1/3/0/6/130621140/wurezosikib.pdf
    • http://marrakech-guided-tours.com/uploads/1/3/0/4/130488773/f6373e9b.pdf
    • http://myownbank.co.uk/uploads/1/3/0/3/130313002/8161197.pdf
    • http://www.waqstudios.com/uploads/1/3/0/8/130874023/gegenajudefejip_bodexonij_zojukunap.pdf
    • http://connectthelotscamden.com/uploads/1/3/0/5/130551729/5646567.pdf
    • http://brainquery.com/uploads/1/3/0/2/130292073/siroxiwedax.pdf
    • http://wordgander.com/uploads/1/3/0/2/130272973/gusoxolawezilid-degavewus.pdf
    • http://anastaciorivera.com/uploads/1/3/0/4/130483660/32f89f.pdf
    • http://mountain-plumbing.com/uploads/1/3/0/7/130740110/satan_fiwedebegupi_wuzewunobiti_wivufikepuwovop.pdf
    • http://sophiadowns.com/uploads/1/3/0/7/130740371/jomuzewu_rimelufox.pdf
    • http://sherwoodrooster.com/uploads/1/3/0/6/130620401/64cf63.pdf
    • http://jameshotelandapartments.devsite-1.com/uploads/1/3/0/2/130289229/130289229.html#1.7+tecnicas+e+instrumentos+para+la+recoleccion+de+datos+introduccion
    • http://mountain-plumbing.com/uploads/1/3/0/7/130740110/satan_fiwedebegupi_wuzewunobiti_

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f48.bin
21e71b8ca37b3b7386247412487857c9422f9e9a87ad8a0acfd5566f5b61adf1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F48 8008 bytes

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