Malicious PDF — malware analysis report

Static analysis result for SHA-256 80411dc0ea82bdf2…

MALICIOUS

PDF

37.4 KB Authoring application: Serif PagePlus
MD5: 01cf317bdcc668e71aa5639ae2923030 SHA-1: 945537a730022b522284f8d99f21afa4f1936e6d SHA-256: 80411dc0ea82bdf24275d6b8d2b3023d21ab1f4c60f824d4aedd11e4d43bd079
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection for Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains a large number of embedded URLs, all pointing to PDF files on various domains. This suggests a coordinated effort to distribute malicious content or manipulate search engine results, characteristic of phishing or SEO spam campaigns.

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://obakosobotanica.org/uploads/1/3/0/2/130270889/tofabamoduzega.pdf
    • http://ravaflav.net/uploads/1/3/0/5/130551266/4e476d523ca.pdf
    • http://olaliliana.com/uploads/1/3/0/2/130272485/1366404.pdf
    • http://amylouiseheil.com/uploads/1/3/0/4/130479171/gaketapegavomigoj.pdf
    • http://ranchopescadero.net/uploads/1/3/0/7/130739234/9ea13e8ae2.pdf
    • http://mentalsector.com/uploads/1/3/0/8/130814195/204b41ec65a50.pdf
    • http://www.thewoodnbrushco.com/uploads/1/3/0/6/130621052/wefid.pdf
    • http://mylydian.com/uploads/1/3/0/5/130550968/6269704.pdf
    • http://montalvinmanor.org/uploads/1/3/0/4/130435652/8754718.pdf
    • http://joy-fully.us/uploads/1/3/0/6/130639591/b4691e.pdf
    • http://nomorejoemoore.com/uploads/1/3/0/4/130488914/0d32d82c790d.pdf
    • http://fuzzlab.org/uploads/1/3/0/6/130603673/d5c438e4f2b419d.pdf
    • http://perryjkilby.com/uploads/1/3/0/5/130550768/77c0ae.pdf
    • http://madcitydecks.com/uploads/1/3/0/4/130483799/turuwiji_zudotepube.pdf
    • http://takwenyatourssafarisltd.com/uploads/1/3/0/4/130476454/lenebonosegovuxo.pdf
    • http://angelasoffice.com/uploads/1/3/0/5/130541208/legatorariki-rojili-razutumefogata-viwababomari.pdf
    • http://rep-christ.com/uploads/1/3/0/7/130738812/1c56904.pdf
    • http://megavolanteo.com/uploads/1/3/0/5/130544781/70aa6e79272ec.pdf
    • http://beckmannmediagroup.com/uploads/1/3/0/5/130539243/9054ea672a0ecbc.pdf
    • http://bgchoodcounty.org/uploads/1/3/0/6/130604935/1e9cfcdbde.pdf
    • http://designsacredgarden.com/uploads/1/3/0/7/130776049/7799649.pdf
    • http://untroubledminds.com/uploads/1/3/0/2/130287463/jabosuwola.pdf
    • http://74-123-75-25.mgwnet.com/uploads/1/3/0/7/130739144/130739144.html#ielts+reading+tips+and+tricks+general+training

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003255.bin
d4622af8815c335fdb637e0fe3266cd6b456c1fbbf1a98b2ef7c09e02801d0a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3255 7400 bytes

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