Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e5939564d772df6…

MALICIOUS

PDF

43.8 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: 818098c2e6f34fa0968ed4477b784933 SHA-1: 6481c1e4d9475e89bbcdd8dfeb1f89f30c64d77a SHA-256: 9e5939564d772df6f6c7e79c1f693e653097662cb8feb0188b9fd33de07c5cce
160 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 by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The SE_INVOICE_LURE heuristic indicates the document may be disguised as an invoice or payment request. The ClamAV detection further confirms its malicious nature. The primary attack pattern involves luring the user to click on one of the numerous embedded URLs, which likely lead to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://contact.dng.ie/uploads/1/3/0/3/130379293/lenefi.pdf In PDF document text
    • http://sleepoutlouies.com/uploads/1/3/0/6/130621771/9241555.pdfIn PDF document text
    • http://alpinetransportationgroup.com/uploads/1/3/0/3/130313405/pixexozi.pdfIn PDF document text
    • http://northeastflowershop.com/uploads/1/3/0/2/130271073/8ed2078.pdfIn PDF document text
    • http://binarybotreviews.com/uploads/1/3/0/5/130539059/goxivosis-gonir-panoditabarevux.pdfIn PDF document text
    • http://noridirg.com/uploads/1/3/0/5/130589371/digakobobexabutafu.pdfIn PDF document text
    • http://wileybrands.com/uploads/1/3/0/6/130639309/adcd59f3521abb.pdfIn PDF document text
    • http://connectionuniverse.co.uk/uploads/1/3/0/6/130621636/lorokubis.pdfIn PDF document text
    • http://mrblacksmusic.com/uploads/1/3/0/5/130589090/6f3a4615e7b68.pdfIn PDF document text
    • http://www.cindylxy.com/uploads/1/3/0/2/130272102/zesarugijizujipoguw.pdfIn PDF document text
    • http://miamiflpressurewashing.com/uploads/1/3/0/3/130313157/pomexakafexigo.pdfIn PDF document text
    • http://cordiaaladvies.nl/uploads/1/3/0/4/130483307/xibitusowusil_leravi.pdfIn PDF document text
    • http://niumanatreecare.com/uploads/1/3/0/4/130483626/a545609133.pdfIn PDF document text
    • http://comptek.us/uploads/1/3/0/4/130476816/gexamaf.pdfIn PDF document text
    • http://discountcannadelivery.com/uploads/1/3/0/5/130539840/natoroxesi_gutijises.pdfIn PDF document text
    • http://www.joshuaevanslaw.com/uploads/1/3/0/6/130605216/7234546.pdfIn PDF document text
    • http://txpublicschoolproud.com/uploads/1/3/0/5/130551971/095bcf.pdfIn PDF document text
    • http://newbraunfelsmasonry.com/uploads/1/3/0/8/130814761/9691672.pdfIn PDF document text
    • http://piercingsbylexie.com/uploads/1/3/0/4/130435826/3248644.pdfIn PDF document text
    • http://hunterbragg.com/uploads/1/3/0/3/130379741/wilorok_losub.pdfIn PDF document text
    • http://www.kimerprops.com/uploads/1/3/0/5/130545173/kawaduxasidetop_wuzuduzolopekaw_pinitefo_nipogapelididip.pdfIn PDF document text
    • http://kaialynn.com/uploads/1/3/0/7/130775792/130775792.html#revit+lt+and+autocad+ltIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31EA 5244 bytes
SHA-256: afd8868629b61d85ec32a8a0de1ca84da82d48156cdd7447d7c4f51403cf5149
font_01_sfnt_off000045b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45B6 10040 bytes
SHA-256: 69e9860357dc77a6af3be4a114c97170cd6203f42a46e6716c0d7a4a63289438

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