Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2467b4d11956b34…

MALICIOUS

PDF

37.3 KB Authoring application: Scribus First seen: 2020-09-24
MD5: b582e156a1475e01aaf2120d63c82e5f SHA-1: 62ed370291f1e369b19f375f32fb788861976ba8 SHA-256: c2467b4d11956b344fd4cf81529de27cd6a03374bd62bd8d7663665182a70f51
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' and ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly indicate a malicious intent, likely to lure users to phishing sites or download further malware. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the structure itself is the attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://xlntcoffee.com/uploads/1/3/0/6/130620626/08ad6756.pdf In PDF document text
    • http://junbinow.com/uploads/1/3/0/5/130543543/2474500.pdfIn PDF document text
    • http://coderdaily.com/uploads/1/3/0/6/130620537/9845348.pdfIn PDF document text
    • http://japservicesllc.com/uploads/1/3/0/7/130775596/6394718.pdfIn PDF document text
    • http://glocalive.com/uploads/1/3/0/7/130775750/xifoxi.pdfIn PDF document text
    • http://ts4hire.com/uploads/1/3/0/5/130588279/eaf6b1.pdfIn PDF document text
    • http://tereoongatiaukiwa.com/uploads/1/3/0/5/130542971/lovozunoxi_sewevixuta_josof.pdfIn PDF document text
    • http://kateycrews.net/uploads/1/3/0/7/130776291/a0d64a3f.pdfIn PDF document text
    • http://godsexandgoinggreen.com/uploads/1/3/0/5/130551219/refixuvamoruvev.pdfIn PDF document text
    • http://mycorporateteambuilding.com/uploads/1/3/0/7/130739542/zodamabudomomuveli.pdfIn PDF document text
    • http://missdayteaches.com/uploads/1/3/0/2/130288456/8969131.pdfIn PDF document text
    • http://juminer.fazenda2.ru/uploads/2020/01/28/depebipiriloxi.pdfIn PDF document text
    • http://rehphotography.org/uploads/1/3/0/3/130313755/130313755.html#adobe+pdf+printer+download+windows+8In PDF document text

Related samples 2

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_off00001295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1295 7704 bytes
SHA-256: 6ac9c257709f1f55544614e12a86cc612e2de78a14bfa8a04e6e31ae430ddc5c

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