Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d6ca81fae0e9eac…

MALICIOUS

PDF

42.6 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: 1bbafea501195f91920782dd16dfdab2 SHA-1: c26bd5084744a578cfe4ba581cb891751ce628eb SHA-256: 7d6ca81fae0e9eace3025f30dffd1728f95ef60d4f5927acd131b0ec4b2e915e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it is designed to redirect users to a network of linked PDF files.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://batonrougenaturalhairexpo.com/uploads/1/3/0/6/130620869/6730489.pdf In PDF document text
    • http://lawnservicewintergarden.net/uploads/1/3/0/5/130588548/sopigoleri-bijojano-sagixuxem.pdfIn PDF document text
    • http://netmassive.net/uploads/1/3/0/3/130324063/5094434.pdfIn PDF document text
    • http://villagecarehenfield.co.uk/uploads/1/3/0/6/130620521/a1984149.pdfIn PDF document text
    • http://vittonezone.com/uploads/1/3/0/5/130552084/cf8c7.pdfIn PDF document text
    • http://milieu-art.com/uploads/1/3/0/4/130476152/dde768d6503c.pdfIn PDF document text
    • http://agencepro-pose.com/uploads/1/3/0/6/130639511/4b423c70.pdfIn PDF document text
    • http://claybon.shop/uploads/1/3/0/5/130539465/mijilijenoxi_gixujemipa_lowuzedo.pdfIn PDF document text
    • http://retreatinsider.com/uploads/1/3/0/2/130289711/f394cfd34.pdfIn PDF document text
    • http://missioncovenantyouth.org/uploads/1/3/0/4/130489410/bozine.pdfIn PDF document text
    • https://kiloxozijewova.weebly.com/uploads/1/3/0/3/130312929/suwagabefew.pdfIn PDF document text
    • http://allergy.mediutopia.com/uploads/1/3/0/3/130323738/130323738.html#parts+of+a+friendly+letter+worksheet+printableIn 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_off000014b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14B5 8092 bytes
SHA-256: 1010c0acfe5911858b33cb2b79da319442a284577cb42a602016ea9512a64e43
font_01_sfnt_off00005f76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F76 16204 bytes
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d

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