Malicious PDF — malware analysis report

Static analysis result for SHA-256 10b4f705c766cf3b…

MALICIOUS

PDF

41.0 KB Authoring application: Adobe PDF Library 9.0 First seen: 2020-09-24
MD5: 6dbc9e95014fedb7a7c542c1cfbd4518 SHA-1: 98549d6546bb06ebcf59bebfb35969993454b4b1 SHA-256: 10b4f705c766cf3b2b6e93a4cb12d3b463d977e6003012af1a64cacf171358f1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common tactic for SEO manipulation or distributing malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. While no scripts were explicitly extracted, the nature of the link farm suggests it may be used to redirect users to further malicious sites or download additional 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://tampabayimprovfestival.com/uploads/1/3/0/6/130620366/b99f7b790d3.pdf In PDF document text
    • http://protopgranite.com/uploads/1/3/0/6/130640025/witomalasuz-rasumoziko-nivagitetulob-mibipemifize.pdfIn PDF document text
    • http://netwerkpijnrevalidatie.com/uploads/1/3/0/2/130289355/judupoburumebox.pdfIn PDF document text
    • http://bilam.rurostelekom.ru/uploads/2020/01/28/nibujadenomuwadin.pdfIn PDF document text
    • http://wowewi.vipiski-besplatno54.icu/uploads/2020/01/28/tabativulal_tarimewitul.pdfIn PDF document text
    • http://terriguy.com/uploads/1/3/0/6/130621870/lesejezitetezogigux.pdfIn PDF document text
    • http://energy-beatz.com/uploads/1/3/0/2/130289166/vejodifip_nijimisutobini.pdfIn PDF document text
    • http://vefe.atikpastanesi.net/uploads/2020/01/29/2057e11f.pdfIn PDF document text
    • http://ssjohn832.com/uploads/1/3/0/5/130588802/2d530a0efb.pdfIn PDF document text
    • http://dossys.com/uploads/1/3/0/4/130476248/0c10b8fc.pdfIn PDF document text
    • http://duwa.seovtop.ru/uploads/2020/01/28/6365407.pdfIn PDF document text
    • http://rebeccalaplacaattia.com/uploads/1/3/0/5/130589238/130589238.html#libros+de+calculo+integral+gratis+pdfIn 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_off00001359.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1359 9204 bytes
SHA-256: d4553e417c382db02250bbaf358771822749458beae6858b67dc0f25926e484a

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