Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2bceba6e0b68cc4…

MALICIOUS

PDF

40.5 KB Authoring application: PDFedit
MD5: 97719c8fc0d6f205fc3e6cfc111d8be6 SHA-1: 79efc995d25008cf4a400d5eca7295b65955abcd SHA-256: c2bceba6e0b68cc497baf70879b0cdba007b06911fd9cc55e3c41809a1f31e22
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule, indicating a large number of embedded external links. The ML classifier also assigned a high probability of maliciousness. The embedded URLs, such as http://blacktentcreative.com/uploads/1/3/0/7/130739602/5755093.pdf, are likely part of a link farm designed to distribute malicious content or lead to phishing sites. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://blacktentcreative.com/uploads/1/3/0/7/130739602/5755093.pdf
    • http://newlifestylesnepelenaferraretto.com/uploads/1/3/0/4/130489398/4164163.pdf
    • http://nogenetix.com/uploads/1/3/0/4/130488889/13e5030e.pdf
    • http://myeagerlaw.com/uploads/1/3/0/4/130478123/3621095.pdf
    • http://indiefiancerecords.com/uploads/1/3/0/8/130813364/4018062.pdf
    • http://coordinator.co/uploads/1/3/0/3/130323727/temudijum_bofode_mitugupatasuvoz.pdf
    • http://retailtrainingdelivered.com/uploads/1/3/0/6/130605017/f4f7f30.pdf
    • http://bfcxpress.org/uploads/1/3/0/4/130483086/wipik.pdf
    • http://mikaimtrading.co.za/uploads/1/3/0/6/130620672/mowutunapo.pdf
    • http://regentechnology.com/uploads/1/3/0/4/130488288/xufajasaki.pdf
    • http://narchack.com/uploads/1/3/0/5/130538902/zotifedulemameb-magajila-dizir-fomopizutetaxin.pdf
    • http://thisiscontent.org/uploads/1/3/0/7/130739443/aaa21afd.pdf
    • http://www.snazzyblingnthings.com/uploads/1/3/0/3/130324191/4612017.pdf
    • http://lighthouselanding.org/uploads/1/3/0/7/130738945/sowojuvez.pdf
    • http://startingpoint.info/uploads/1/3/0/5/130543054/zemotufevakexuxibim.pdf
    • http://campmarymount.org/uploads/1/3/0/7/130775380/3801123.pdf
    • http://nuro-ade.com/uploads/1/3/0/5/130551057/raresazuletekijuxa.pdf
    • http://autismbroadband.com/uploads/1/3/0/3/130323936/1400495.pdf
    • http://yatra-journeys.com/uploads/1/3/0/5/130588307/resezezir_mutidenezekimas_tipejeri_zesenobutid.pdf
    • http://actingcoachlasvegas.com/uploads/1/3/0/5/130544243/3889056463.pdf
    • http://peristeri-guide.com/uploads/1/3/0/8/130813373/lejosovukoli.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016b4.bin
94a5cedce59fff208f739bbcd84d418e263f43b973a9ee19433ca4af3f4e40df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16B4 9696 bytes

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