Malicious PDF — malware analysis report

Static analysis result for SHA-256 b010326fe71b9b15…

MALICIOUS

PDF

39.6 KB Authoring application: PDFBox
MD5: 9e5710f0372458cc8d21b8043aef17a7 SHA-1: 5ddf75406a809f8f17b2da7c449429744e6d33ef SHA-256: b010326fe71b9b1530fef4c351dcf1379e988d48395b638e8e08093bef38b1b3
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 external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted from this sample.

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://mallieandgrace.com/uploads/1/3/0/5/130551390/gomovakolokilik.pdf
    • http://gymdominator.com/uploads/1/3/0/4/130435851/fonitipamodebusa.pdf
    • http://singaporekidsswimschool.com/uploads/1/3/0/4/130483429/0b7361110cb.pdf
    • http://michaelvickersbaritone.com/uploads/1/3/0/6/130639700/funitekojug.pdf
    • http://new-style-trailer.com/uploads/1/3/0/4/130483249/masugi.pdf
    • http://mrglows.com/uploads/1/3/0/6/130639851/142121.pdf
    • http://huatequelive.com/uploads/1/3/0/6/130604539/54bcf2345d.pdf
    • http://geauxwarhawks.com/uploads/1/3/0/8/130814349/fufonotisagono_puwunozitova.pdf
    • http://sbtyouth.com/uploads/1/3/0/5/130588515/8426060.pdf
    • http://americanshomer.com/uploads/1/3/0/6/130640081/6364473.pdf
    • http://www.eba-portfolio-jayla.com/uploads/1/3/0/7/130775136/lasilibiliwima.pdf
    • http://rollingdoorrepairny.com/uploads/1/3/0/5/130588574/3067145.pdf
    • http://www.earnasyoutravel.net/uploads/1/3/0/2/130288830/6302469.pdf
    • http://thegullywhompers.com/uploads/1/3/0/5/130588772/1be4c.pdf
    • http://ecowaterconcretetanks.com.au/uploads/1/3/0/6/130604741/segigaxofasow.pdf
    • http://www.xanogenepr.com/uploads/1/3/0/2/130271083/5017965.pdf
    • http://mvmt101.com.au/uploads/1/3/0/4/130435514/2163437.pdf
    • http://jenniferlyall.com/uploads/1/3/0/7/130739490/mefonosikudelujewij.pdf
    • http://mountainandwaterstudio.com/uploads/1/3/0/4/130483769/4393464.pdf
    • http://kid-fitz.com/uploads/1/3/0/2/130271095/8207e9f50aee.pdf
    • http://mayfairprinting.com/uploads/1/3/0/6/130605339/kimisafe.pdf
    • http://omahamassagecoupons.com/uploads/1/3/0/5/130541688/6731433.pdf
    • http://iamprovidence.net/uploads/1/3/0/2/130274338/4417195.pdf
    • http://wolfecityhomecoming.com/uploads/1/3/0/5/130590296/130590296.html#phase+iv+clinical+trial+protocol
    • http://rollingdoorrepairny.com/uploads/1/3

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003830.bin
b993cbfb38b4aa4fa44e618b84b8eaac7dce2ea9e0ae8b8d892646a660093d1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3830 8164 bytes

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