Malicious PDF — malware analysis report

Static analysis result for SHA-256 602ca981a7c2b96e…

MALICIOUS

PDF

37.0 KB Authoring application: pdf-parser
MD5: 81661b615a4e1b31810003e09cf2cab3 SHA-1: 34d0d4b2cbb68f0a5b067ded059710ba49422500 SHA-256: 602ca981a7c2b96e291fa52cefee9682dcc18d85754e03f3ed3b4dff6fec3a6f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution via these 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://mymindfulconnections.com/uploads/1/3/0/5/130543761/bakijusa_noropedajalabow_josunabafig_zunamelufuwas.pdf
    • http://dokkanaccountseller.com/uploads/1/3/0/7/130738512/3f2f20f27bbc927.pdf
    • http://northeastwisconsinwelding.com/uploads/1/3/0/6/130604470/mimiw_vuvetagerupe_kipidepixa_ladozevew.pdf
    • http://www.embassyif.org/uploads/1/3/0/6/130639498/d3d1b3c7b.pdf
    • http://hostmaster.languagetree.org.uk/uploads/1/3/0/6/130639559/3247892.pdf
    • http://breakfastwear.com/uploads/1/3/0/6/130621392/3021815.pdf
    • http://valleverdebrentwood.com/uploads/1/3/0/5/130588543/ec35414f6351844.pdf
    • http://acupunturavetbarcelona.com/uploads/1/3/0/3/130323401/jubare.pdf
    • http://greenicfdistributors.com/uploads/1/3/0/7/130775780/xedanapalatomifire.pdf
    • http://roadcraft-ds.com/uploads/1/3/0/3/130313624/gevefoxa-kebok.pdf
    • http://airportcityinvest.com/uploads/1/3/0/5/130589315/migakotirusenisido.pdf
    • http://sipermarrja.com/uploads/1/3/0/5/130588269/7475558.pdf
    • http://gradecaddy.com/uploads/1/3/0/4/130483373/5883755.pdf
    • http://musicwithjojo.com/uploads/1/3/0/4/130488994/b11a4afdea029.pdf
    • http://ruthhowardphotography.com/uploads/1/3/0/5/130588221/6398599.pdf
    • http://ccfammo.com/uploads/1/3/0/5/130590215/ed365.pdf
    • http://elitehockeyleagues.com/uploads/1/3/0/5/130540453/kegipitu_zasifoxam_wajaxi_bewaf.pdf
    • http://thehavenresorts.devsite-1.com/uploads/1/3/0/3/130323602/130323602.html#polyacrylamide+gel+electrophoresis+system+definition

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032af.bin
01eeaacf08355d9ad3e07de97d5068bd9748d7200bd6da971cbf77be2d069c27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32AF 8748 bytes

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