Malicious PDF — malware analysis report

Static analysis result for SHA-256 90c38a6cc2f0f774…

MALICIOUS

PDF

41.7 KB Authoring application: OpenOffice.org
MD5: 3a039c2131c7ecacf599ee2bc04edfa0 SHA-1: 84938331ce26e6aed59c450e4c9ad586d7057748 SHA-256: 90c38a6cc2f0f774c82a62542143db705a5f6bc51141cb492f431be01fc262b9
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. This suggests a tactic to manipulate search engine results or to distribute further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' reinforces the malicious intent. The document body contains a call-to-action phrase, further supporting a phishing or scam-related lure.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 https://pemivarup.weebly.com/uploads/1/3/0/3/130313152/mebep.pdf
    • https://mibevofura.weebly.com/uploads/1/3/0/4/130494636/xerekobexewoxarise.pdf
    • http://bestofthewestmoving.com/uploads/1/3/0/6/130621439/7ea2eee99e821ac.pdf
    • http://charissaanggita.com/uploads/1/3/0/4/130476237/rijatatag_tozuwa.pdf
    • https://betonipuf.weebly.com/uploads/1/3/0/5/130551282/74375a9e.pdf
    • http://tano.l4d4.ru/uploads/2020/01/27/90011e.pdf
    • http://usual-senders.pro/uploads/2020/01/29/mekapeju.pdf
    • http://lufe.graf-von-eichendorff.online/uploads/2020/01/29/nategubupew_pepejutavi_kipof_tasinupuke.pdf
    • https://tobiselesu.weebly.com/uploads/1/3/0/5/130539637/9922997.pdf
    • http://donnezonline.com/uploads/1/3/0/3/130313192/kujevobemigidun.pdf
    • http://aakyoga.com/uploads/1/3/0/2/130272483/fivokifezixivewibe.pdf
    • http://michaelgierl.com/uploads/1/3/0/5/130588506/nenenutef.pdf
    • http://minutegrillers.com/uploads/1/3/0/6/130620945/kejiku-duxuz-bimag.pdf
    • https://joginezugetugu.weebly.com/uploads/1/3/0/5/130588304/vedotafuxuzej_zutavisinu.pdf
    • http://mnpscollaboration.org/uploads/1/3/0/4/130483400/ebb1d3b60f7586c.pdf
    • https://jerakaxexuxun.weebly.com/uploads/1/3/0/5/130541677/09154ff117986aa.pdf
    • http://heatherljwellsphotography.com/uploads/1/3/0/3/130323789/4445270.pdf
    • http://onlygodcanjudgeus.com/uploads/1/3/0/2/130270740/pepujetikoritatazobi.pdf
    • http://adamhamdy.net/uploads/1/3/0/3/130324137/e1dcf6cf6.pdf
    • http://ntscdfregionals.com/uploads/1/3/0/5/130539679/20539314f4b.pdf
    • http://lifeafterdisability.com/uploads/1/3/0/6/130605186/de67a4ef357.pdf
    • http://mejatufiv.krsk-jalousie.ru/uploads/2020/01/27/sigofevoboz-juzositutekenef-dikemakaf-kenewovivezud.pdf
    • http://mynaturalplace.com/uploads/1/3/0/6/130639306/49b075fa98e66.pdf
    • http://susandumond.org/uploads/1/3/0/6/130620950/752ca1.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/4/130477085/130477085.html#vizio+sound+bar+manual+sb3821

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000173b.bin
63fca9d0aa85e2f715e62d4c15ed5827c7edeba21a0b9f4d8cc1f2939e14ba88
pdf-font-stream PDF embedded font (sfnt) at offset 0x173B 7556 bytes