Malicious PDF — malware analysis report

Static analysis result for SHA-256 860c4423b7cb3821…

MALICIOUS

PDF

40.8 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: 9511c1105539843edd940bb8450d1ae6 SHA-1: f975385b5bb1d758631d11ce10d8e13fecb6c63a SHA-256: 860c4423b7cb38211c236379432c2bcb5daa9c34b82f945f2ae84b05dec314d4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDFs, suggesting a link farm designed for SEO or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, likely serving as download locations for further payloads.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://befe.orlylogistics.com/uploads/2020/01/28/6137199.pdf In PDF document text
    • http://weddingsinseychelles.com/uploads/1/3/0/5/130551065/3f28d4ff4895.pdfIn PDF document text
    • http://coachingvan.com/uploads/1/3/0/2/130272095/2d002a5bc1502.pdfIn PDF document text
    • http://wubiwajum.sparepartsjumberca.com/uploads/2020/01/27/gipawu_bigefon_korolam_vupiwasamekix.pdfIn PDF document text
    • http://ziruzafob.gateadcc.info/uploads/2020/01/27/474d300.pdfIn PDF document text
    • http://drrosechildcentredcounselling.com/uploads/1/3/0/5/130540026/jedimuriruxok_jiwena.pdfIn PDF document text
    • http://blythetierneydever.com/uploads/1/3/0/4/130483629/514dbc773.pdfIn PDF document text
    • http://ccpropertyinvestment.com/uploads/1/3/0/2/130289186/pogugavitizuvide.pdfIn PDF document text
    • http://mshannahfreeman.com/uploads/1/3/0/6/130620460/4147816.pdfIn PDF document text
    • http://thewell-seasonedwoman.com/uploads/1/3/0/6/130621840/potamifizokemugaw.pdfIn PDF document text
    • http://paintinghopefoundation.com/uploads/1/3/0/6/130620847/1682104.pdfIn PDF document text
    • http://akashachamberlain.com/uploads/1/3/0/4/130488213/5144931.pdfIn PDF document text
    • http://miamfoundation.org/uploads/1/3/0/4/130435633/fafobo-pakipote.pdfIn PDF document text
    • http://ncslibrary.org/uploads/1/3/0/6/130621205/c9ea72c28ed6ee.pdfIn PDF document text
    • https://kudefinigumol.weebly.com/uploads/1/3/0/2/130270907/8bc175339b43.pdfIn PDF document text
    • http://jeffersongathering.com/uploads/1/3/0/5/130588405/e1c90556597d4.pdfIn PDF document text
    • http://jijejo.iviik.icu/uploads/2020/01/27/kotedipesulon_gedew_puragokilasawu_nexusuv.pdfIn PDF document text
    • http://virginiaconcretepaving.com/uploads/1/3/0/4/130483918/00c79ae7b.pdfIn PDF document text
    • http://michaudwellness.com/uploads/1/3/0/2/130273842/130273842.html#yelawolf+bloody+sunday+mp4In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off000015ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15EE 8468 bytes
SHA-256: 77b39829035c107629270acb8fd3324ebe45dd353932e57b42b61bca51beccd2
font_01_sfnt_off00005894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5894 16036 bytes
SHA-256: 1a48559509f7f75063a877bee3d72c2f3225c728dd953cebf65f9a5167f6cbd7

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