Malicious PDF — malware analysis report

Static analysis result for SHA-256 95a21d1859d4a8e8…

MALICIOUS

PDF

53.2 KB Authoring application: Scribus
MD5: 6a05b4f16db2658f8960a3341aeeba70 SHA-1: 11563d033364e8ec84ba9d31bd1f8186e41e3572 SHA-256: 95a21d1859d4a8e83365c39292c0a0472b0cafae49100afa0129796bfea09116
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 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, each hosting a PDF file with a numeric or generic slug in the URL. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body contains garbled text mixed with some URLs, suggesting it's a lure designed to lead users to a network of malicious PDF documents.

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://yukonpix.com/uploads/1/3/0/3/130379769/81d36e.pdf
    • http://www.joeybruzzese.com/uploads/1/3/0/2/130274355/jisifuxefatinul-sajevowugif-tikunali.pdf
    • http://authortonjamurphy.com/uploads/1/3/0/2/130270905/2bec88.pdf
    • http://raw-eventing.com/uploads/1/3/0/8/130814858/wadetoluxenerozegog.pdf
    • http://gkg.commonersmedia.com/uploads/1/3/0/4/130483909/8769548.pdf
    • http://icbrconference.com/uploads/1/3/0/8/130813979/76586.pdf
    • http://dematic-university.com/uploads/1/3/0/4/130489350/gixiselewekigafi.pdf
    • http://sennad.store/uploads/1/3/0/6/130639924/tuzezolajiboniwi.pdf
    • http://phoi.info/uploads/1/3/0/8/130874207/8278713.pdf
    • http://socialmediaflux.com/uploads/1/3/0/4/130490155/2127408.pdf
    • http://genheden.se/uploads/1/3/0/8/130813956/a1121f.pdf
    • http://ezsuccess4all.com/uploads/1/3/0/3/130379412/72e54a.pdf
    • http://dominicwung.com/uploads/1/3/0/8/130814774/gafajibutemejepuba.pdf
    • http://giuseppesabino.com/uploads/1/3/0/3/130324004/ecb6a9b485.pdf
    • http://practicalss.com/uploads/1/3/0/4/130483527/koxevodese.pdf
    • http://sustainabu.org/uploads/1/3/0/8/130873779/kibuvibotakewawi.pdf
    • http://us.momotombochocolatefactory.com/uploads/1/3/0/5/130545885/130545885.html#self+actualization+theory+abraham+maslow

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010de.bin
c283d90372d46ec57b839c43e667a81459bfe4d1b218f291099041eb9ada0370		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10DE 8536 bytes

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