Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b283bf59fa89fb7…

MALICIOUS

PDF

46.2 KB Authoring application: Scribus First seen: 2020-09-07
MD5: 93943c7b37c171ad4bcdc8f086fb86ce SHA-1: 565e04420e3c7542923ca233b4a0807380d137a6 SHA-256: 7b283bf59fa89fb7298c04798fdb07c2499459f52389b52df328d125e915baad
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, each hosting a PDF file with a numeric slug in the URL. This pattern suggests a link farm or a method to distribute malicious content or manipulate search engine results. The ML classifier and ClamAV also flagged this file as malicious.

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://eternalspringtime.com/uploads/1/3/0/5/130545636/roxapumuxezadenawi.pdf In PDF document text
    • http://apartmentapplication.net/uploads/1/3/0/4/130488816/133127.pdfIn PDF document text
    • http://lunchpong.club/uploads/1/3/0/4/130476161/gefivilog.pdfIn PDF document text
    • http://www.ingridbogaert.com/uploads/1/3/0/5/130540874/1f00f.pdfIn PDF document text
    • http://mrsneuville.com/uploads/1/3/0/4/130483337/fozarowugamepi.pdfIn PDF document text
    • http://naturecalling.us/uploads/1/3/0/4/130478360/sotanuberisir_xibejev_pidezisuwareno_mumanigo.pdfIn PDF document text
    • http://matthewglasson.com/uploads/1/3/0/7/130739575/zusotofe.pdfIn PDF document text
    • http://iabcfiji.com/uploads/1/3/0/6/130620420/6847738.pdfIn PDF document text
    • http://www.janelohmeyerart.com/uploads/1/3/0/7/130738711/logobusajiwuponukew.pdfIn PDF document text
    • http://www.cespa.org.uk/uploads/1/3/0/8/130813427/19cc16531de1cfe.pdfIn PDF document text
    • http://www.lifeofasouthernteacher.com/uploads/1/3/0/5/130589077/2f8cc.pdfIn PDF document text
    • http://www.onebowdesigns.com/uploads/1/3/0/7/130775791/e95b539216664.pdfIn PDF document text
    • http://dns.speedprint.com.tw/uploads/1/3/0/6/130604083/baffd84.pdfIn PDF document text
    • http://preparetocare.net/uploads/1/3/0/6/130605517/a53f4757b4e208.pdfIn PDF document text
    • http://www.cafe7stl.com/uploads/1/3/0/5/130551210/7918739.pdfIn PDF document text
    • http://ralivladi.info/uploads/1/3/0/6/130604421/16da7abb30fb3.pdfIn PDF document text
    • http://fromthelionsdeleos.com/uploads/1/3/0/2/130272548/3a4454.pdfIn PDF document text
    • http://n70kr.salon225.com/uploads/1/3/0/8/130874369/130874369.html#achilles+tendon+injury+radiopaediaIn PDF document text

Related samples 3

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_off00005738.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5738 8652 bytes
SHA-256: ebdb7dc05f8df271ee6582ca0a733469eabae615c071f987f3971c17f39245c7

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