Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e28fb9d9067bfa2…

MALICIOUS

PDF

32.7 KB Authoring application: Nitro PDF
MD5: 7996e025769ee1de597c2754fa981ba4 SHA-1: b6e845a6d9d6d7f0dd46f254e785b5a17b837d90 SHA-256: 0e28fb9d9067bfa2f1f18bac90f2e5c18e292e9b455158ae755f779907e44977
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. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were directly extracted, the embedded URLs suggest a mechanism for delivering further payloads or redirecting users to malicious sites.

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://mightyjunior.com/uploads/1/3/0/3/130379331/lugevason.pdf
    • http://russopublicrelations.com/uploads/1/3/0/5/130540040/51e697d.pdf
    • http://mlvisionsart.com/uploads/1/3/0/6/130639160/2ff1cbd101aa.pdf
    • http://alniyatbellydance.com/uploads/1/3/0/7/130776343/9230047.pdf
    • http://maryannthipiebane.com/uploads/1/3/0/8/130814926/xazenunofofok_zuloretobigon_zuwozag_likiso.pdf
    • http://blackmarketbotanicals.com/uploads/1/3/0/5/130588437/ruvite_gigelenawidadu_pidipejaw.pdf
    • http://babblesngiggles.com/uploads/1/3/0/5/130590243/xijoli_xegedefoburuzi.pdf
    • http://mta-sts.mx.visavisdurango.com/uploads/1/3/0/4/130488382/1131340.pdf
    • http://lynettejensenconsulting.com/uploads/1/3/0/6/130604359/5216795.pdf
    • http://solardasmares.com/uploads/1/3/0/4/130488834/kefijimaxufoza.pdf
    • http://berryflats.net/uploads/1/3/0/8/130814601/gosad_nexakitupa_pelojerefukizon.pdf
    • http://deadpointfilm.com/uploads/1/3/0/4/130476034/870685.pdf
    • http://triciazoellerauthor.com/uploads/1/3/0/6/130605074/tikivaxuketid_tekazusebife.pdf
    • http://theoldfortrestaurant.com/uploads/1/3/0/5/130589182/9593123.pdf
    • http://www.stromberglab.com/uploads/1/3/0/5/130550986/belubu_mupemorinino_boxajosukefe_sevin.pdf
    • http://drew-powell.com/uploads/1/3/0/6/130621854/kiwukiwuzamatafom.pdf
    • http://energydownload.net/uploads/1/3/0/7/130776749/levako-wadizu-xifonejaf.pdf
    • http://artsamoreuplandca.com/uploads/1/3/0/4/130489128/5060965.pdf
    • http://blog.fundacionjuguemos.cl/uploads/1/3/0/9/130968906/f52fdd4fb8c7c5.pdf
    • http://charlottesvilleostomysupport.com/uploads/1/3/0/8/130874631/ginedikegexilisekul.pdf
    • http://ssixenterprises.com/uploads/1/3/0/7/130775917/rapefuruwasa.pdf
    • http://connectnumbers.com/uploads/1/3/0/3/130312925/lelijabelonif-degonivoju-jejabuba-mafirozijimof.pdf
    • http://mail.gorntomechanical.com/uploads/1/3/0/6/130620327/wanenibuzowuv_vuzug.pdf
    • http://kingshotelsrussiansummary.devsite-1.com/uploads/1/3/0/6/130603976/130603976.html#357+button+cell+battery+size

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001cc9.bin
3cf2f07551acff257be3e985327c781026cef1b4e67385014f7a98f3fe143d51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CC9 7620 bytes

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