Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a56a42b3f86d84a…

MALICIOUS

PDF

41.1 KB Authoring application: LibreOffice
MD5: 6157388fb21be699532188b3d9c211ef SHA-1: fbd8d49e873b9e736ec00e5b76c92acd8f02e270 SHA-256: 7a56a42b3f86d84a517b011c44d9fdee1cfbac86b7684bee8a1098e887f8f992
120 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 is commonly used for phishing campaigns or to distribute further malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious intent. No scripts were extracted from this sample, limiting the analysis of direct execution capabilities.

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://insideou.net/uploads/1/3/0/6/130621024/dowikat_mazavofumag_basewatagamikav_fafivasojelud.pdf
    • http://bdaddysgrill.net/uploads/1/3/0/3/130323762/491d65af7b0451f.pdf
    • http://quillylife.com/uploads/1/3/0/3/130379798/3837075.pdf
    • http://findthatpartyplanau.net/uploads/1/3/0/5/130542859/vavanojerewexuxoju.pdf
    • http://douxoverdesign.com/uploads/1/3/0/5/130541662/2760889.pdf
    • http://renotiles.com/uploads/1/3/0/6/130621484/e303f9db0af.pdf
    • http://ironspiritkarate.org/uploads/1/3/0/5/130589452/fubufusirufuxefonino.pdf
    • http://texturadesign.net/uploads/1/3/0/3/130313021/jegilura.pdf
    • http://www.smiledefenders.net/uploads/1/3/0/2/130272387/1429851.pdf
    • http://surlepouceonline.com/uploads/1/3/0/6/130621732/2aeb84.pdf
    • http://newportsummerrentals.com/uploads/1/3/0/6/130620690/3719870.pdf
    • http://dealershowing.com/uploads/1/3/0/5/130590443/gegodubidove.pdf
    • http://natashastraley.com/uploads/1/3/0/6/130604585/mitukojaselutokaj.pdf
    • http://theladdsgroup.com/uploads/1/3/0/5/130551765/2470625.pdf
    • http://prouni2025.net/uploads/1/3/0/3/130313123/68458061d0c.pdf
    • http://alwaysfuntravel.voyagerwebsites.com/uploads/1/3/0/5/130588618/130588618.html#how+to+wash+brows+after+microblading

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000462a.bin
3ac065f36fd1c1fccdd26803536b0ed8d13cc4cc27f15644f0da4c33c53a8bf8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x462A 8064 bytes

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