Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd4abbfddef2165f…

MALICIOUS

PDF

42.8 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: 1a86675acf4679948e6e815cfd4399e2 SHA-1: 0c956b2ca8821a35b2f5f9177154c9aea472b9f7 SHA-256: dd4abbfddef2165f63f6d0868f3b823f8cdb7213b0d32db64d2a8dbbf8721bcd
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links to other PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The embedded URLs suggest a campaign to drive traffic to potentially compromised or malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • 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.
  • 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://boltontrailscommittee.org/uploads/1/3/0/2/130291029/fefdd1e251992f0.pdf In PDF document text
    • http://kelliecookyoga.com/uploads/1/3/0/6/130605306/4506735.pdfIn PDF document text
    • http://monagarciamusic.com/uploads/1/3/0/6/130620536/2035272.pdfIn PDF document text
    • http://lkradio.online/uploads/1/3/0/4/130478975/21ef65d3c8840.pdfIn PDF document text
    • http://kisivare.bootsalebonanza.com/uploads/2020/01/28/21ab738a1b5.pdfIn PDF document text
    • http://andreaortega.com/uploads/1/3/0/5/130551457/e447da5611b.pdfIn PDF document text
    • http://auntybencookie.com/uploads/1/3/0/6/130620451/gegazodipadev_segisowiwaw.pdfIn PDF document text
    • http://lane8gamingstudio.com/uploads/1/3/0/3/130312944/2892595.pdfIn PDF document text
    • http://cfthomas.com/uploads/1/3/0/5/130544823/130544823.html#conjugaci%C3%B3n+verbo+haber+modo+indicativoIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001356.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1356 8508 bytes
SHA-256: 024a5c9bb6408ddeb0c5105cff28773eaf758dd2f8bb319dc4466c4cbce88ad2
font_01_sfnt_off00005372.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5372 16096 bytes
SHA-256: 65ca2fa633a49bc637c245e3469a24bec82cbb291b9200d770c42ee2df1588ac
font_02_sfnt_off000067b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67B9 4288 bytes
SHA-256: 59d8a097129a595d6828513bcc5b4d47c00a7c4de9545a43efee4f2c176228e7

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