Malicious PDF — malware analysis report

Static analysis result for SHA-256 c320def4258a0921…

MALICIOUS

PDF

45.1 KB Authoring application: ImageMagick
MD5: a103780669343391502c349f3def4e3b SHA-1: bd6c02b5bb418d4bde00d2882aab598ab2a64b6f SHA-256: c320def4258a092167745a92465c61be7a7f0185e3961f0ff0ff398a52550f48
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicating a link farm or redirection strategy. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or SEO spam. The document body text is heavily corrupted and does not provide further context.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://bramvanroyphotography.com/uploads/1/3/0/6/130639513/sevinekebogi.pdf
    • http://spiegel-jezelf.com/uploads/1/3/0/7/130739039/3111801.pdf
    • http://skinsugarrx.com/uploads/1/3/0/6/130622033/gexaxosipekofarava.pdf
    • http://markbills.com/uploads/1/3/0/5/130550955/kirezijoka-rulepegivofogox-nogivud-kiwaluxarameva.pdf
    • http://my-buy-it.com/uploads/1/3/0/6/130604049/nugivuforivaseselaj.pdf
    • http://kcfearfarm.net/uploads/1/3/0/4/130483631/873e03cde8348f.pdf
    • http://plataformaciudadana.net/uploads/1/3/0/4/130476447/4582280.pdf
    • http://bluecrabkeyflorida.com/uploads/1/3/0/6/130639486/depugalegiro.pdf
    • http://kunzeartgallery.com/uploads/1/3/0/6/130620437/regofez-salomiwusan-nixojuvereg.pdf
    • http://jennycatalano.com/uploads/1/3/0/5/130589249/146d98e.pdf
    • http://alleylouisville.com/uploads/1/3/0/7/130776788/304a2538e68fe74.pdf
    • http://beautyparty.co.uk/uploads/1/3/0/7/130776222/xevopapogefuvi-biguvonubapu-guwukavubamida.pdf
    • http://februaryviolet.photography/uploads/1/3/0/8/130874497/dujuzumikerufopop.pdf
    • http://mkh-mfg.com/uploads/1/3/0/7/130738966/2231181.pdf
    • http://eindhovensereddingsbrigade.com/uploads/1/3/0/7/130776639/wokex.pdf
    • http://stavergroup.com/uploads/1/3/0/3/130313196/7097874.pdf
    • http://organizedgaming.net/uploads/1/3/0/7/130775922/2163732.pdf
    • http://nataliamcabrera.com/uploads/1/3/0/3/130379133/dilanixu.pdf
    • http://diradevelopments.com/uploads/1/3/0/5/130588499/314816.pdf
    • http://zuzubeanpress.com/uploads/1/3/0/5/130590096/xolepuwi_nabepurawu.pdf
    • http://milotheclown.com/uploads/1/3/0/6/130604583/7497855.pdf
    • http://beyondthebellharrisonburg.com/uploads/1/3/0/2/130287371/ziwoluxebogezixavafu.pdf
    • http://zhcw.brdge.org/uploads/1/3/0/8/130874253/130874253.html#proceso+digestivo+y+absorcion+de+nutrientes
    • http://plataformaciudadana.net/uploads

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000396b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x396B 16036 bytes
font_01_sfnt_off00005043.bin
804a9c6339203e855957d5e5f98cb3eafa4d531a3758734c334907582702b109		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5043 7816 bytes

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