Malicious PDF — malware analysis report

Static analysis result for SHA-256 f19f3ac5fec7351e…

MALICIOUS

PDF

42.3 KB Authoring application: OpenOffice Draw
MD5: 252cea0cafc35ae26194b4d2a93a41b3 SHA-1: edf45785d0e3cd12c2ecf94e7ced7a67b5f0383d SHA-256: f19f3ac5fec7351e733020d4a98c0f33ce9835125b41baa074218b5434374294
152 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. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier further support the malicious nature of this file.

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://montcoglass.com/uploads/1/3/0/4/130436093/zakenatitajenidasa.pdf
    • http://silentxc.com/uploads/1/3/0/4/130476469/derapitojivugafol.pdf
    • http://liquorlawsvt.net/uploads/1/3/0/2/130271073/nuvelewogux-garuguvelofusam.pdf
    • http://economicstitan.com/uploads/1/3/0/5/130544230/474656.pdf
    • http://365roadsideassist.com.au/uploads/1/3/0/2/130287310/sasoxovipo-lewurewiju-tiwiwadonin-jejujo.pdf
    • http://handwarmersstore.com/uploads/1/3/0/3/130323952/4758027.pdf
    • http://bobbodagreen.com/uploads/1/3/0/4/130489371/majaviwibari.pdf
    • https://najutibewegusu.weebly.com/uploads/1/3/0/3/130379226/f4030d0d55953.pdf
    • http://rainbowrehabtherapy.com/uploads/1/3/0/6/130620626/117780.pdf
    • http://acikhatal.com/uploads/1/3/0/5/130540559/kukataviv.pdf
    • http://moorehousecreations.com/uploads/1/3/0/2/130287894/potidisenuxifu_kipikaziselibe.pdf
    • http://milton-trails.com/uploads/1/3/0/2/130289424/b7837d7c572a6.pdf
    • http://policetrailer.com/uploads/1/3/0/6/130639350/130639350.html#toefl+test+writing

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001346.bin
d9e0dbcbddc748a863a459469826352c0031a0757a10fa61b59df9b897a0f11d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1346 8324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.