Malicious PDF — malware analysis report

Static analysis result for SHA-256 b61026e63e2a1cea…

MALICIOUS

PDF

84.7 KB Authoring application: GIMP
MD5: d14000dc29a7820033092e3893f94ee2 SHA-1: 8f469eace0b654b10f6181ed1ab34ed258d8b632 SHA-256: b61026e63e2a1ceaaa73c59ffd8930e743b3579464e72fba871f3a063b3b1a7d
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute malware. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection scheme. The document body's content is largely garbled but includes references to the 2nd amendment and firearm topics, which may be a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://pobisavef.joblite.xyz/uploads/2020/01/28/koletogapowal.pdf
    • http://kcareerandlifecoaching.com/uploads/1/3/0/2/130289241/vovifomavu.pdf
    • http://xenegurime.samokontrol.ru/uploads/2020/01/27/27a405645.pdf
    • http://akiysvignettes.com/uploads/1/3/0/3/130324315/rizarovizine.pdf
    • http://kovo.mehanikaavto.ru/uploads/2020/01/28/5e028920aaca37b.pdf
    • http://calgaryruralmedicine.ca/uploads/1/3/0/4/130483900/4df47a8aad37b.pdf
    • https://nuzifikajabon.weebly.com/uploads/1/3/0/4/130488338/3a37107efc.pdf
    • http://lochindpro.com/uploads/1/3/0/5/130551166/7998044.pdf
    • http://mejok.joblite.xyz/uploads/2020/01/28/sozepubi.pdf
    • http://7th-hitchin.org.uk/uploads/1/3/0/2/130272247/tarem.pdf
    • https://boginivu.weebly.com/uploads/1/3/0/2/130272347/ripulub-zifima-gitaxe.pdf
    • http://topmusic.shop/uploads/2020/01/29/da338ef01403c.pdf
    • https://bojukefezome.weebly.com/uploads/1/3/0/5/130551764/1fc665caed4b.pdf
    • http://valkrystore.org/uploads/1/3/0/2/130289774/jedobugonagebafetama.pdf
    • http://kootenaycured.com/uploads/1/3/0/3/130313208/sibiropevawofe.pdf
    • http://noseyroseytiedye.com/uploads/1/3/0/6/130620778/tabafewigomij-jitodu.pdf
    • http://sisi.isabellaestetica.com/uploads/2020/01/28/lodekadawawuvenojabo.pdf
    • http://vintagenowus.com/uploads/1/3/0/2/130273571/xajefudu.pdf
    • https://vitugowuta.weebly.com/uploads/1/3/0/2/130272271/af80f.pdf
    • http://fipida.audiostart18.icu/uploads/2020/01/28/makanod.pdf
    • http://vuza.agicole-acces.com/uploads/2020/01/28/305a173.pdf
    • http://musicatkhs.com/uploads/1/3/0/2/130271043/b78b7d.pdf
    • http://nerorem.koenigruz.online/uploads/2020/01/28/5366119.pdf
    • https://joxafubelim.weebly.com/uploads/1/3/0/2/130288481/mibuwate_nifewatexexorif_nejutomo_lejekafatos.pdf
    • http://petstylz.com/uploads/1/3/0/3/130379204/130379204.html#2nd+amendment+right+to+bear+arms

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000017d8.bin
ae67984abddfab506e43fd9fc72171bbaf2a1e2619381b5d8a0fc510d8278329		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17D8 8860 bytes

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