Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7140ad566ab5282…

MALICIOUS

PDF

40.4 KB Authoring application: Soda PDF
MD5: d4d9323ed5684b508e982de24feafd40 SHA-1: eccb8bf3e436dfffe194ef158e5ac41f20085047 SHA-256: d7140ad566ab5282d6dc15891378506a2608cc53cb6b06350527a44f966a886d
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or traffic redirection. The embedded URLs are the primary indicators of compromise, likely serving as lures or hosting further malicious content.

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://surggripper.com/uploads/1/3/0/4/130483645/b25ab0652b1db1d.pdf
    • http://obxelectrical.com/uploads/1/3/0/5/130539093/mirali_rijikutiw_nazipunib.pdf
    • http://mvspropertymanagement.com/uploads/1/3/0/7/130739544/0d007a721f63.pdf
    • http://christidelnagro.com/uploads/1/3/0/8/130814340/78c1a338b39.pdf
    • http://nmwild.com/uploads/1/3/0/3/130313141/5ee1026e02.pdf
    • http://bandheadreunions.com/uploads/1/3/0/3/130323479/nixerorevum_worozufip_tejoditekeb.pdf
    • http://chickenindex.com/uploads/1/3/0/7/130739618/2205125.pdf
    • http://2bobpoker.com/uploads/1/3/0/8/130814173/f98cd9e4d0.pdf
    • http://disarmfilm.com/uploads/1/3/0/7/130739039/vupobolewuko.pdf
    • http://purebarretexasstrong.com/uploads/1/3/0/6/130621495/5ac4e2f504.pdf
    • http://hazeljohn.com/uploads/1/3/0/3/130313379/deporalovo-xezokozokazexeb-fedesoli-nuwolitogulow.pdf
    • http://designingpathways.org/uploads/1/3/0/5/130552043/resatarufu.pdf
    • http://davebecker.org/uploads/1/3/0/6/130622073/9779330.pdf
    • http://zo2yd.slpny.com/uploads/1/3/0/2/130272395/130272395.html#learn+english+in+sinhala+pdf+free+download

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000287b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x287B 16036 bytes
font_01_sfnt_off0000405f.bin
094dedc4f4c96a0b67fbbf09fbf74d56396bd4be03c295273813d1dd996e433e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x405F 10340 bytes

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