Malicious PDF — malware analysis report

Static analysis result for SHA-256 01d35b3282a431c3…

MALICIOUS

PDF

42.4 KB Authoring application: ImageMagick
MD5: b28ec75d9e78639bc52fcfb62946a862 SHA-1: bb12f398dd2504d2958c19d7ba9250ab95834bd8 SHA-256: 01d35b3282a431c39e4f18812863bd531dba418ca8f5b9ebceed8b0b29239ceb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV also flagged this file as malicious, with ClamAV specifically identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely serve to redirect users to malicious sites or to manipulate search engine rankings, potentially as part of a phishing or spam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://tiffinindia.ca/uploads/1/3/0/7/130740143/6678b1daf91e504.pdf
    • http://www.feverboutiquefairfax.com/uploads/1/3/0/6/130639905/ludovabi_pofokad_vumekilikaje_bisabuvijidewug.pdf
    • http://piercingsbylexie.com/uploads/1/3/0/5/130550970/vifaki-nefebejenamubo.pdf
    • http://artdentlaboratoriodental.com/uploads/1/3/0/2/130291475/2865582.pdf
    • http://vividaudiovideo.com/uploads/1/3/0/8/130874519/solevigarurinirez.pdf
    • http://earthcaravanfund.com/uploads/1/3/0/6/130622011/sonap.pdf
    • http://www.ceikoet.com/uploads/1/3/0/6/130640088/zudigig_fixupexorabux.pdf
    • http://www.asisuppliermarketing.com/uploads/1/3/0/3/130324011/59e210b3122e4e.pdf
    • http://mta-sts.mail.annethielen.nl/uploads/1/3/0/6/130621782/4156492.pdf
    • http://multifaithstorytelling.org/uploads/1/3/0/7/130775714/topebeb-sezugag-vixab.pdf
    • http://plantationpestservices.net/uploads/1/3/0/2/130272977/777d8bff.pdf
    • http://ns1.clinicapabloartero.com/uploads/1/3/0/6/130605196/romex_rawomawowuji_jewomiro_woxuda.pdf
    • http://ucmen.com/uploads/1/3/0/6/130604287/5733008.pdf
    • http://superiorqualityconstruction.net/uploads/1/3/0/6/130621351/3500111.pdf
    • http://ns2.crta.ca/uploads/1/3/0/5/130588207/8368246.pdf
    • http://karen-odell.com/uploads/1/3/0/6/130603767/wezapusuvi.pdf
    • http://mightykidshealth.com/uploads/1/3/0/5/130552016/4a684d1aded6bae.pdf
    • http://modernblueband.com/uploads/1/3/0/5/130590665/fuvepobajemijapil.pdf
    • http://cannabishouse.biz/uploads/1/3/0/7/130739067/3052901.pdf
    • http://mysitelive.org/uploads/1/3/0/4/130483733/4248794.pdf
    • http://ltqd.brdge.org/uploads/1/3/0/2/130287937/130287937.html#ableton+live+9+suite+mac+os+sierra
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003727.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3727 2652 bytes
font_01_sfnt_off00004359.bin
faf1faf0f7568986c47c3a82373c724fb41d10a47b8a51d7fd3e0ae86819c0d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4359 8784 bytes

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