Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5927d6006c13996…

MALICIOUS

PDF

29.1 KB Authoring application: Adobe PDF Library 9.0
MD5: bda17ea0d685f373e1cb117416e05d30 SHA-1: 78fa67f9290577ebe592dc128507bd464984c63d SHA-256: c5927d6006c1399677719163145b546707c7f4e18c202b2c26ed003deec4dfa1
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is characteristic of SEO poisoning or phishing campaigns designed to drive traffic to malicious sites. The ClamAV detection and ML classifier further support the malicious nature of this document.

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://dodgeofneworleans.com/uploads/1/3/0/8/130814926/nunuxopowev.pdf
    • http://3zsbarandgrille.com/uploads/1/3/0/4/130436096/1630050.pdf
    • http://eurekaarchi.com/uploads/1/3/0/4/130489567/5552443fa0.pdf
    • http://mjtcounsel.com/uploads/1/3/0/6/130640006/1b867a52b67a.pdf
    • http://www.aaqrestoration.com/uploads/1/3/0/5/130539599/4064963dc.pdf
    • http://bodyspiritfood.com/uploads/1/3/0/5/130540104/sananugowo_rotame_xajilakop_ripup.pdf
    • http://cometomejudy.com/uploads/1/3/0/6/130603834/newinu.pdf
    • http://bigbootyracing.com/uploads/1/3/0/6/130639181/5890311.pdf
    • http://www.barndoorrepublic.com/uploads/1/3/0/8/130813118/3316572.pdf
    • http://beeswim.com/uploads/1/3/0/3/130313127/newemal-nazadexomojolij-kozerofifiv-wosebagobodutut.pdf
    • http://prevenmaq.com/uploads/1/3/0/6/130639634/biledumevus_jivuzi.pdf
    • http://myanthonyonline.com/uploads/1/3/0/6/130603975/fagexasipapulo_dapexipixeragi_voripifapa_totir.pdf
    • http://pippalouchappell.com/uploads/1/3/0/2/130274088/6822110.pdf
    • http://lcvalley.org/uploads/1/3/0/6/130604027/7030401.pdf
    • http://therapyinnovations.net/uploads/1/3/0/6/130621912/zixewosun.pdf
    • http://www.karmaproductions.shop/uploads/1/3/0/5/130551782/212266.pdf
    • http://tedcorprealestate.com/uploads/1/3/0/2/130288394/nulewoteda_vewixali_dapuvelojefi_bumar.pdf
    • http://rebeccaewebber.com/uploads/1/3/0/7/130776617/xamidoniwixowonife.pdf
    • http://bodyspoil.com/uploads/1/3/0/6/130622002/mivinaxewud.pdf
    • http://yanetandanthony.com/uploads/1/3/0/3/130312965/4206004.pdf
    • http://host12.pleasingfood.com/uploads/1/3/0/5/130589411/130589411.html#rational+expression+worksheet+

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001831.bin
20fcf0101dd3c5cf8c20bc65d754a54f1f802807535bdbd6b31d84d427422570		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1831 5640 bytes

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