Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0d934a42b27b258…

MALICIOUS

PDF

41.4 KB Authoring application: Soda PDF
MD5: ad265b064093e19dc1e6c2218fe2be78 SHA-1: bdfb1b651dc6a34bbb51035a26488885cef3b6dd SHA-256: b0d934a42b27b258bed565233a59c4b6e4c5fd33efec82e29bf907b35bbc4a78
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file 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 distribution mechanism for further malicious content, as flagged by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample, and the document body was heavily obfuscated and truncated, preventing a deeper analysis of its specific lure.

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://mingocarecbd.com/uploads/1/3/0/7/130740513/julodidavatat.pdf
    • http://ittakestworealestate.com.au/uploads/1/3/0/9/130969478/vowara_kolapogenexo_vefebora_wuxugifix.pdf
    • http://metamorphosisinblack.net/uploads/1/3/0/7/130740612/wuxosavodaziwapo.pdf
    • http://mikeandeli.nyc/uploads/1/3/0/4/130483337/zigeno-jibegetupemab.pdf
    • http://nicholasruscettaart.com/uploads/1/3/0/5/130588169/fce94cfae9a947e.pdf
    • http://fosrocindia.com/uploads/1/3/0/6/130639698/puwajemi_tatanuze.pdf
    • http://cageymoon.com/uploads/1/3/0/6/130605267/zigorugove.pdf
    • http://keelservices.org/uploads/1/3/0/5/130588872/bojekiroburakijepome.pdf
    • http://555-jeudirouge.fr/uploads/1/3/0/5/130589267/xepunanorezorupepox.pdf
    • http://whitecatmusic.com/uploads/1/3/0/6/130604855/ca5a96a1e005.pdf
    • http://www.pcdclient.com/uploads/1/3/0/5/130588529/2dfa9.pdf
    • http://miniturecowboysrus.com/uploads/1/3/0/2/130271237/xelorixovow-kuzisuvukegil.pdf
    • http://xoomfoodsolutions.com/uploads/1/3/0/6/130639479/zolazetivomokope.pdf
    • http://srcwwtp.com/uploads/1/3/0/7/130776861/tipodu.pdf
    • http://angelahardison.online/uploads/1/3/0/5/130588731/fedb5f35a53dcef.pdf
    • http://cpljohnstalvey.com/uploads/1/3/0/7/130775247/7a794bfdfaee5a.pdf
    • http://aliveand.shop/uploads/1/3/0/6/130639298/juput.pdf
    • http://nomadic-chris.com/uploads/1/3/0/6/130621216/b274e04c863c7a.pdf
    • http://interceptcorp.com/uploads/1/3/0/3/130313346/130313346.html#transistor+bjt+npn+e+pnp

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d5c.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D5C 16036 bytes
font_01_sfnt_off00004455.bin
9d6a02cbed2cb4b8dc2effbec6b359fac9f92ff416f586808e5998151fd1db3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4455 7820 bytes

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