Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f6074c121fb2f0b…

MALICIOUS

PDF

38.7 KB Authoring application: Scribus
MD5: c9e07052f86e51e390f5f2d507dae8df SHA-1: db3dbb44b3761e593f3c016f3585429370bf9506 SHA-256: 2f6074c121fb2f0b4084f10d695be3b34f4fc8a48a694235b0a1ac229a0080a0
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files, a technique commonly used for SEO poisoning or phishing lures. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though partially corrupted, begins with medical terminology, suggesting a lure to disguise the malicious nature of the embedded links.

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://topendtour.com.au/uploads/1/3/0/7/130776027/dusodez.pdf
    • http://mta-sts.mail.tri-coachingpartnership.com/uploads/1/3/0/7/130740252/62a9175d9c6.pdf
    • http://hostmaster.rootminerals.com/uploads/1/3/0/3/130313741/wunibug_xutametuxedid_dabulur_sijaturup.pdf
    • http://bevilacquaguitars.com/uploads/1/3/0/4/130476322/e2aa034b1.pdf
    • http://microhack.net/uploads/1/3/0/4/130489090/04702e.pdf
    • http://mysqldatabasedesigner.com/uploads/1/3/0/2/130289565/rusitilazikexuzo.pdf
    • http://mypowdercoat.com/uploads/1/3/0/4/130488121/sivelidux.pdf
    • http://wifisupermarket.com/uploads/1/3/0/4/130488580/812d634d0.pdf
    • http://www.sagessalon.com/uploads/1/3/0/4/130476266/gopagufijekis_zesupetodarulo_wamixoxewupeni_rakikis.pdf
    • http://premedwizard.com/uploads/1/3/0/2/130270958/a63dc0de0929bca.pdf
    • http://adrisbeautystudio.com/uploads/1/3/0/2/130271161/3376887.pdf
    • http://mgservicios.net/uploads/1/3/0/7/130775676/xiweturoweguxifisip.pdf
    • http://ginandtarnish.com/uploads/1/3/0/8/130813654/7f59da3a35.pdf
    • http://scavengersolvers.com/uploads/1/3/0/7/130776682/8290852.pdf
    • http://nancytoofani.com/uploads/1/3/0/4/130483244/rowulevekaxalesod.pdf
    • http://fpucdn.com/uploads/1/3/0/7/130775929/bemivuwobos.pdf
    • http://rockallyourrelationships.com/uploads/1/3/0/6/130620233/welawajuwevuba-gazerezawalozaf-fadapox-kironi.pdf
    • http://admin.calne-baptist.org.uk/uploads/1/3/0/5/130545021/8f05c9392c4e2.pdf
    • http://sewallcommunications.com/uploads/1/3/0/2/130289021/romozipuxafe.pdf
    • http://www.mspcasummercamp.org/uploads/1/3/0/3/130312926/3a33f31d6.pdf
    • http://www.masteringpianotechnic.com/uploads/1/3/0/9/130969316/buvizare.pdf
    • http://tristanprettyman.net/uploads/1/3/0/7/130775107/e226cf40dd.pdf
    • http://www.therainbarrelmen.com/uploads/1/3/0/3/130323567/vekumiguk.pdf
    • http://bayook.com/uploads/1/3/0/6/130639689/liroxujifik.pdf
    • http://feilvbinbaijialemianfeishiwan.br3h.com/uploads/1/3/0/9/130969076/130969076.html#perianal+abscess+removal

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032ee.bin
ffcb0753da0ae47ea68381f1900f673f3a0a388cad7ea2093d84b872b8e006c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32EE 8276 bytes

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