Malicious PDF — malware analysis report

Static analysis result for SHA-256 1605ceaab6346d32…

MALICIOUS

PDF

38.4 KB Authoring application: SWFTools
MD5: df7a602b5f1461736bcae1738626fa04 SHA-1: 4c2460a5f8ab8f761b3c76a3aac249ef4dc2f1dd SHA-256: 1605ceaab6346d320267741d99c92c44152a1d1c9393cc11b2d144b451331960
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to host malicious content. ClamAV detected this file as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or malicious redirection intent. While no scripts were explicitly extracted, the PDF structure and the sheer volume of external links suggest a coordinated effort to redirect users to potentially harmful content.

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://suncom.us/uploads/1/3/0/5/130589278/nigelemela.pdf
    • http://monalisatravelling.com/uploads/1/3/0/5/130543240/mexal.pdf
    • http://apexbasketballtraining.com/uploads/1/3/0/2/130272415/ce522bb8.pdf
    • http://mindregard.com/uploads/1/3/0/3/130379504/jatineb.pdf
    • http://vintagehomecharleston.com/uploads/1/3/0/4/130476043/c9e9fa.pdf
    • http://lacedbyleshea.com/uploads/1/3/0/6/130604200/fifebizofupobebike.pdf
    • http://pipelinemro.com/uploads/1/3/0/3/130323362/xazurutexez.pdf
    • http://tcca.shop/uploads/1/3/0/6/130604728/2d6864adc.pdf
    • http://biexecutive.com/uploads/1/3/0/4/130483773/xifojulapira.pdf
    • http://newmexicomade.com/uploads/1/3/0/5/130551697/gelafoxipopiba-gugonurovesikit-zezikij.pdf
    • http://bestarizonahomesforsale.com/uploads/1/3/0/2/130289800/jiwojuvevuxopo.pdf
    • http://zol.btrening.biz/uploads/2020/01/29/cb1b3b6d6af18.pdf
    • http://lluviaoutsourced.com/uploads/1/3/0/5/130542894/1200890.pdf
    • http://mgsathletics.com/uploads/1/3/0/5/130540437/zovidawuve.pdf
    • https://baxesaxanog.weebly.com/uploads/1/3/0/5/130588220/gekujudapitud.pdf
    • http://moldinspectalbany.com/uploads/1/3/0/4/130476078/4160433.pdf
    • http://smarterdarter.com/uploads/1/3/0/3/130323932/fc70b.pdf
    • http://serbaballet.com/uploads/1/3/0/6/130603747/fujibozuxovemu.pdf
    • http://mrbrushgrade5.ca/uploads/1/3/0/4/130477193/vimase.pdf
    • http://ebcupdate2.weebly.com/uploads/1/3/0/5/130589145/190caf5602.pdf
    • http://morenoguerrero.com/uploads/1/3/0/6/130640061/lilimu.pdf
    • http://ambercove27waterfalls.com/uploads/1/3/0/4/130488884/130488884.html#newedge+clearing+house

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000154b.bin
b9679ec8d0053aa0cc2f6dabde0cbe514866529f8b04a785e47d73f060e7c11b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x154B 7848 bytes

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