Malicious PDF — malware analysis report

Static analysis result for SHA-256 97c7414cbb14cb75…

MALICIOUS

PDF

44.0 KB Authoring application: Nitro PDF
MD5: e57a340fd16ad7862b0c96fe578edb10 SHA-1: b35eae8770f9c640490ecefa5350ea39784afef7 SHA-256: 97c7414cbb14cb75dc69829ce0fdddc6747a9f73f5424eaaa1230d51c019713c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs suggest a phishing or content distribution campaign.

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://goatley.nz/uploads/1/3/0/7/130739492/butakojegediwi-mupesimuxo-mabofutax-sedog.pdf
    • http://thehealingheartinitiative.com/uploads/1/3/0/2/130271212/5210097.pdf
    • http://mitoendurancecoaching.com/uploads/1/3/0/2/130289226/rosiwanupifesib.pdf
    • http://kathryns-beaded-jewelry.com/uploads/1/3/0/2/130287536/dijuv.pdf
    • http://thedreamslab.agency/uploads/1/3/0/7/130740371/4c64ffb7b0e4b4.pdf
    • http://rto2go.com.au/uploads/1/3/0/6/130620581/1545594.pdf
    • http://nmwild.com/uploads/1/3/0/3/130323707/busatadesexefiv_jutego_vutigomebit_benukadane.pdf
    • http://accountsangel.com.au/uploads/1/3/0/9/130969343/pozarapemunona.pdf
    • http://virtualbiblestudies.com/uploads/1/3/0/7/130775282/ce068277a9d9.pdf
    • http://mail.northernexposurenaturals.com/uploads/1/3/0/6/130620325/75fb6.pdf
    • http://paqospath.us/uploads/1/3/0/9/130969934/magubito_burukimosez_bofewawaz.pdf
    • http://mail.bwmusic.net/uploads/1/3/0/4/130488312/kewepikitasero.pdf
    • http://swfldogdiving.net/uploads/1/3/0/6/130604180/1816427.pdf
    • http://babaju.us/uploads/1/3/0/3/130379426/penig.pdf
    • http://currentsolutionsil.com/uploads/1/3/0/5/130542727/23d3334e.pdf
    • http://nortegrandeenelmundo.com/uploads/1/3/0/8/130814584/abe1787b1.pdf
    • http://thebigskybrokeragecompany.com/uploads/1/3/0/4/130436162/8373041.pdf
    • http://adaptingbrains.com/uploads/1/3/0/6/130639486/zobexipepoludiv.pdf
    • http://drquy.com/uploads/1/3/0/5/130551564/lotuzuzivaru_rumizelidirif_pugabotifel_kobipisetafa.pdf
    • http://host.creativedatainc.com/uploads/1/3/0/7/130739535/130739535.html#switzerland+international+airport+iata+code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c10.bin
23f2162fde08770923da70153553a06a2329f005a468ef912a357cfe085549b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C10 9324 bytes

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