Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc3079559187c5e6…

MALICIOUS

PDF

59.3 KB Authoring application: OpenOffice.org
MD5: 5459565ea524744c75ca421b367396ce SHA-1: f0d0562e4ba1541e59cf9def814a2e1ca5a72388 SHA-256: dc3079559187c5e65375b438ac766eba82e52dda19c3691620c3844fc4ca95f9
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF documents hosted on various domains. This pattern is indicative of a link farm designed to distribute malicious content or conduct SEO-based phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file. 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://mpatoska.com/uploads/1/3/0/2/130287291/selulumujapodavoxudu.pdf
    • http://mywelby.org/uploads/1/3/0/4/130488509/97d629814dff.pdf
    • http://hashtagcitizen.org/uploads/1/3/0/7/130738894/3975582.pdf
    • http://kimchibabe.com/uploads/1/3/0/4/130435650/bcc40d.pdf
    • http://motors-auto.com/uploads/1/3/0/6/130639336/80f38.pdf
    • http://norwegianwoodworks.net/uploads/1/3/0/4/130435574/36e61482c.pdf
    • http://refreshtoimpress.com/uploads/1/3/0/8/130814645/ace47d1e1832.pdf
    • http://trustedcannabiscfo.com/uploads/1/3/0/5/130588239/bofusan.pdf
    • http://copyright-form.com/uploads/1/3/0/4/130483550/bijatudetimofiwilozo.pdf
    • http://kalamazoocalendarproject.com/uploads/1/3/0/5/130548039/1319691.pdf
    • http://locationsoundcanada.com/uploads/1/3/0/7/130776591/jarose.pdf
    • http://www.greenwoodgables.com/uploads/1/3/0/5/130551477/rekoludisiweso.pdf
    • http://111-pod.site/uploads/1/3/0/7/130775990/jonesipa.pdf
    • http://poerecords.net/uploads/1/3/0/2/130271045/puborezibisevixaso.pdf
    • http://mndball.com/uploads/1/3/0/4/130436162/basofimifuda.pdf
    • http://thehandymanhelper.com/uploads/1/3/0/6/130603965/1964981.pdf
    • http://mingcamellia.com/uploads/1/3/0/5/130589452/mutejek.pdf
    • http://www.tree-s-cape.co.za/uploads/1/3/0/5/130539795/pubedumavajefe.pdf
    • http://74-123-79-157.mgwnet.com/uploads/1/3/0/8/130874254/depab.pdf
    • http://bustywaif.com/uploads/1/3/0/6/130620861/tefirojoru-vurikejumivufig-vukogere-rofulafagujop.pdf
    • http://crowandbetty.com/uploads/1/3/0/4/130435652/efdb2de8ec53a.pdf
    • http://x0013959xstreamtravel.xsideas.com/uploads/1/3/0/4/130488365/130488365.html#biuret+test+color+intensity

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001695.bin
c2ba3fb6a7b5eb4adb97f1e7cdb6694f0dcbe2a9608c728798e4a0b9f78e00d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1695 8764 bytes

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