Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2d8687ff7a39b1b…

MALICIOUS

PDF

44.2 KB Authoring application: Serif PagePlus
MD5: b81923218c128960dec1067adc1d166c SHA-1: 09428abfc6438a55cc028be9ef489f1f723a594e SHA-256: c2d8687ff7a39b1bfbce6a126732f21cfa14ffde84b9c0c48a92f9e5340a69b7
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or SEO manipulation tactic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://the-wild-moon.com/uploads/1/3/0/5/130550926/3283411.pdf
    • http://zeroclabsi.com/uploads/1/3/0/4/130476748/3378834.pdf
    • http://sub2000ati.com/uploads/1/3/0/6/130639081/ziwusuvefekikilazuf.pdf
    • http://mx.joyforthejourney.org/uploads/1/3/0/2/130288932/4375910.pdf
    • http://forelcerrito.com/uploads/1/3/0/5/130539090/wadowojusozumino.pdf
    • http://www.njrunpics.org/uploads/1/3/0/8/130873818/2719582.pdf
    • http://e-comerciante.com/uploads/1/3/0/5/130550752/jezekexoxiv-sanemisikufejim-pewol.pdf
    • http://bjenko.com/uploads/1/3/0/7/130776519/mamepukobovafojoxig.pdf
    • http://mysunshinedistributors.com/uploads/1/3/0/4/130488243/gufotozu.pdf
    • http://drfranklinlevin.com/uploads/1/3/0/7/130738883/zimusewobigaz.pdf
    • http://smyelectricalcontractor.com/uploads/1/3/0/6/130639428/vunolopanikiram.pdf
    • http://mrfriedliclass.com/uploads/1/3/0/4/130435914/madewoxovuwojoneb.pdf
    • http://khatibenergy.com/uploads/1/3/0/5/130588790/noxaneb-ridewilapefog-rijoku.pdf
    • http://gasloandco.com/uploads/1/3/0/4/130488153/fetazak.pdf
    • http://marykrausconsulting.com/uploads/1/3/0/6/130620762/rasufisamiji.pdf
    • http://www.indieeducator.com/uploads/1/3/0/5/130539660/sesadaxujageluseja.pdf
    • http://vicinv.net/uploads/1/3/0/7/130775130/1835065.pdf
    • http://pyramidscientist.com/uploads/1/3/0/8/130873937/tidumesade_kuzewinoxekug.pdf
    • http://ldhbuyshomes.com/uploads/1/3/0/7/130775892/jazijoxoba_detepuv_ralofadu.pdf
    • http://ourweefarm.com/uploads/1/3/0/8/130815031/zabeperebogimiw-sesasanosukedu-tokaron.pdf
    • http://umdrfc.org/uploads/1/3/0/4/130477009/a8cd4c7c.pdf
    • http://mollylizzio.com/uploads/1/3/0/8/130814933/6735011.pdf
    • http://composers.directory/uploads/1/3/0/2/130273623/5bf8b9c5fd29a6.pdf
    • http://juneau-dining.com/uploads/1/3/0/2/130274305/diliwigak-porulizireregi-kidalituwatapu-mixulavanajum.pdf
    • http://icantfocus.net/uploads/1/3/0/3/130323767/bularo_wiropabepivub_gewenisabaz_mufuguzasedeva.pdf
    • http://74-123-75-25.mgwnet.com/uploads/1/3/0/8/130814235/130814235.html#download+adobe+pdf+printer+for+windows+10

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000261a.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838
pdf-font-stream PDF embedded font (sfnt) at offset 0x261A 2652 bytes
font_01_sfnt_off00002ee9.bin
4d884775183a85c26aba9b3dd673642af9f7218e76b13c59122748a05634ae84
pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE9 16068 bytes
font_02_sfnt_off00004693.bin
409b0f03d3c8c7efb8d60a51f30ea706b6dab1556e0d74612551b168cde5519a
pdf-font-stream PDF embedded font (sfnt) at offset 0x4693 8424 bytes