Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e52d55a9d710ff4…

MALICIOUS

PDF

39.3 KB Authoring application: pdf-parser First seen: 2020-09-24
MD5: 668bac463691ddfb2b0545983beadcf3 SHA-1: 097d34afb666779ff47b3d9db86f9151d005ad02 SHA-256: 1e52d55a9d710ff437b84349cc5c81610060220acf09a4f8615a632cd5b73d0c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This technique, identified by the PDF_SEO_LINK_FARM heuristic, is commonly used to create link farms for SEO manipulation or to distribute malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious intent. The embedded links likely serve as a lure to redirect users to potentially malicious sites or download further payloads.

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://hunterscure.ca/uploads/1/3/0/7/130738837/lozaxofo.pdf In PDF document text
    • http://spicedforyou.com/uploads/1/3/0/6/130604772/50c322.pdfIn PDF document text
    • http://top20wordpress.com/uploads/1/3/0/6/130639443/1074729.pdfIn PDF document text
    • http://www.analogue.services/uploads/1/3/0/3/130324385/poluta.pdfIn PDF document text
    • http://mycbdhub.com/uploads/1/3/0/4/130488759/0e0fd4c9822d66.pdfIn PDF document text
    • http://glammeshops.com/uploads/1/3/0/4/130435757/87424c03bfcd16f.pdfIn PDF document text
    • http://www.nebraskatowshow.com/uploads/1/3/0/8/130874123/7519968.pdfIn PDF document text
    • http://sachtesoch.com/uploads/1/3/0/7/130775690/01f8e2.pdfIn PDF document text
    • http://yposf.com/uploads/1/3/0/6/130620679/mavijon.pdfIn PDF document text
    • http://theladdsgroup.com/uploads/1/3/0/5/130551765/2470625.pdfIn PDF document text
    • http://infiniteendsbrand.com/uploads/1/3/0/8/130874381/fotenudovidonusa.pdfIn PDF document text
    • http://commandlineidiot.com/uploads/1/3/0/5/130588805/943142.pdfIn PDF document text
    • http://louielapin.com/uploads/1/3/0/6/130604077/pomonuwefuba.pdfIn PDF document text
    • http://b2bisolate.com/uploads/1/3/0/4/130477890/dupogiluropanola.pdfIn PDF document text
    • http://crickethorse.com/uploads/1/3/0/8/130814831/7905863.pdfIn PDF document text
    • http://skynetinspections.com/uploads/1/3/0/8/130814526/6107390.pdfIn PDF document text
    • http://reimaginedclassrooms.com/uploads/1/3/0/5/130540928/rafekemenuxalumegumu.pdfIn PDF document text
    • http://bevinbranlandingham.com/uploads/1/3/0/4/130488067/bakakimaji_bixozikoraz_xojezafen_webepur.pdfIn PDF document text
    • http://gubaogongkaisaizaixiantouzhu.br3h.com/uploads/1/3/0/7/130776775/130776775.html#belimo+2+port+valve+wiringIn 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_off00003b25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B25 8548 bytes
SHA-256: 216e89f145e584679a9deaf92fea06218825b2bf3aa42799c9156a2c7005bee6

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