Malicious PDF — malware analysis report

Static analysis result for SHA-256 32690a20b35dfcd7…

MALICIOUS

PDF

55.3 KB Authoring application: OpenOffice.org
MD5: a791e6d6958b2a679469f3486a071b10 SHA-1: 6beed9206d9a20c9212751629b0284f188fe85cb SHA-256: 32690a20b35dfcd79bca118161a9c6402e15c802c7e0e942550323350e3edd4d
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flag this file as malicious, specifically as a phishing or redirection attempt. The embedded URLs are likely used to redirect users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://paralaventa.net/uploads/1/3/0/2/130270946/3056106.pdf
    • http://elreydelaceramica.com/uploads/1/3/0/6/130639398/gobuzog-vunopot-nurikiwaxukinak.pdf
    • http://www.chrisferland.com/uploads/1/3/0/6/130604207/tanesubikewab.pdf
    • http://discountwiresupply.com/uploads/1/3/0/7/130738684/rogaduwupako.pdf
    • http://memoriesinsoap.com/uploads/1/3/0/3/130323454/xalajakevanok-bolenof-bofozure-fapix.pdf
    • http://stellarconcessions.com/uploads/1/3/0/5/130590308/3373008.pdf
    • http://alimosphere.com/uploads/1/3/0/5/130541064/fegoforuzuxifur_tutagosibeke_vamimejusoxitu.pdf
    • http://startatruestory.com/uploads/1/3/0/6/130621215/ferorusanulego.pdf
    • http://myaustralianview.com/uploads/1/3/0/5/130588394/kurokut.pdf
    • http://movingmemorycompany.com/uploads/1/3/0/7/130739478/jimopoxoxelitifeba.pdf
    • http://streamacoach.com/uploads/1/3/0/3/130323520/fejugus.pdf
    • http://nugriot.com/uploads/1/3/0/2/130288798/6895228.pdf
    • http://pxbible.net/uploads/1/3/0/8/130814717/gofujewevinazi.pdf
    • http://ucccm.com/uploads/1/3/0/3/130379137/4227033.pdf
    • http://wedothegame.com/uploads/1/3/0/2/130287920/berabonuliwik.pdf
    • http://alumni-chiropractic.com/uploads/1/3/0/4/130488181/7041512.pdf
    • http://www.cawestrealtycollection.com/uploads/1/3/0/7/130739510/jebukeromafuz_jomutiku_doxuburarifovif.pdf
    • http://elearncerner.org/uploads/1/3/0/7/130775760/b3933703e3a14.pdf
    • http://tappingwithtabitha.net/uploads/1/3/0/6/130605369/muvesomezusu_felelusulixib_rurabo_pupezujafiba.pdf
    • http://wangluoqipaiyouxidaili.br3h.com/uploads/1/3/0/6/130604477/130604477.html#how+to+make+a+planter+box+out+of+pallet+wood

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001627.bin
f15b92dad6bfb39e70f8f4b64e42cda913e464c5f86f67d807541cc44a6aa038		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1627 8456 bytes

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