Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcb9dab6d2afd0dd…

MALICIOUS

PDF

46.0 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: 5637345839bdf66d33521bc5c3cdf9f3 SHA-1: 90cfd907ded96c00ef2721455a42ea3e186b8719 SHA-256: bcb9dab6d2afd0dd2f493bae33ac4d3c3fa7ec308226bf6aa0824f2551ec3013
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by multiple heuristics, including a critical PDF_SEO_LINK_FARM firing indicating a mass of external PDF links. The ML classifier also strongly flagged it. While the document body contains garbled text, the presence of numerous embedded URLs suggests a phishing or redirection attempt, likely to deliver a second-stage payload or lead users to malicious content. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing context.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://newbraunfelspestpros.com/uploads/1/3/0/2/130291588/2026822.pdf In PDF document text
    • http://souldelicious.org/uploads/1/3/0/6/130640146/2742380.pdfIn PDF document text
    • http://www.icmlogistix.com/uploads/1/3/0/6/130639136/zuxevogibamifotaloko.pdfIn PDF document text
    • http://emilymullikindesign.com/uploads/1/3/0/6/130621988/nazoromizefuve_wunod_wemigabidamevap.pdfIn PDF document text
    • http://rrkrn.com/uploads/1/3/0/4/130483114/7453342.pdfIn PDF document text
    • http://timdurantjr.com/uploads/1/3/0/3/130379170/tolex.pdfIn PDF document text
    • http://stazkoassociates.com/uploads/1/3/0/3/130312968/nujuwi.pdfIn PDF document text
    • http://ns1.betting-promo-codes.com/uploads/1/3/0/6/130639019/xazikurokisisovenot.pdfIn PDF document text
    • http://moodstruk.com/uploads/1/3/0/4/130483808/wesilixagonudirik.pdfIn PDF document text
    • http://drjohncasteele.com/uploads/1/3/0/7/130738541/1131854.pdfIn PDF document text
    • http://shopprayhustleslay.com/uploads/1/3/0/6/130605059/gewixid.pdfIn PDF document text
    • http://betashocks.com/uploads/1/3/0/3/130323236/8664722.pdfIn PDF document text
    • http://healthywaymagazine24.club/uploads/1/3/0/6/130620184/bdbe91ee.pdfIn PDF document text
    • http://ravensfield.ca/uploads/1/3/0/5/130540010/4190047.pdfIn PDF document text
    • http://mymvmtpods.com/uploads/1/3/0/7/130739968/6270583.pdfIn PDF document text
    • http://ctlafrica.org/uploads/1/3/0/7/130775540/topigixikegoju.pdfIn PDF document text
    • http://projectcleanuluwatu.com/uploads/1/3/0/7/130740209/xivuwer.pdfIn PDF document text
    • http://johncochranartwork.com/uploads/1/3/0/2/130287367/36a4df18.pdfIn PDF document text
    • http://moneymentorph.com/uploads/1/3/0/5/130589010/gitomiro.pdfIn PDF document text
    • http://999fmradiomanila.com/uploads/1/3/0/7/130738527/lalulegimat-fewododumofoxa-vejuraler.pdfIn PDF document text
    • http://noveljourneyer.life/uploads/1/3/0/4/130436078/nafinuw-xotapagug-giwosatape-bajum.pdfIn PDF document text
    • http://acceleratefacilities.com/uploads/1/3/0/5/130539458/feguleperolaw.pdfIn PDF document text
    • http://www.aalterisioart.com/uploads/1/3/0/4/130490106/gevowol.pdfIn PDF document text
    • http://www.amyfasey.com/uploads/1/3/0/8/130814601/falamazifibowexewe.pdfIn PDF document text
    • http://associationofstlawrence.org/uploads/1/3/0/4/130477414/e18edab67e3.pdfIn PDF document text
    • http://host238.carmichaelnl.com/uploads/1/3/0/5/130542717/130542717.html#unstable+afib+treatment+aclsIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E90 8548 bytes
SHA-256: 66f031b08c2759540df7ce149fb7ecd5a8f3e2bcb995de63e5290f1173525981

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