Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea5c15adbfc991f…

MALICIOUS

PDF

42.4 KB Authoring application: Serif PagePlus First seen: 2020-09-24
MD5: 64369dbf2e8c23b0e7b1c66f6db35bfa SHA-1: 4ddbaad58184bbeb8d6d5d9b0e4ca64daab1e7bd SHA-256: 3ea5c15adbfc991fbd26d56b8e30358a3dcf7b34f8a83b5d921765a7a29b2120
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection further supports the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. No scripts were extracted from this sample, and the document body was heavily obfuscated and truncated, preventing a deeper analysis of its specific content or intent beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://civicloftsdenver.com/uploads/1/3/0/6/130620602/f7bf83a2b9a9.pdf In PDF document text
    • http://hotelsthepas.net/uploads/1/3/0/7/130775607/safafovirufasumen.pdfIn PDF document text
    • http://rechtspraak-republieknl-aarde.space/uploads/1/3/0/8/130814728/9921134.pdfIn PDF document text
    • http://releifricktal.ch/uploads/1/3/0/6/130640109/goferax.pdfIn PDF document text
    • http://thewilddaisyboutique.com/uploads/1/3/0/2/130271126/karuzudumu-giboxirifab-zimuriragik.pdfIn PDF document text
    • http://jeanjeanies.com/uploads/1/3/0/4/130436313/8374695.pdfIn PDF document text
    • http://remarkablecanine.com/uploads/1/3/0/3/130313213/6538f8307e.pdfIn PDF document text
    • http://schoolnotesmagazine.org/uploads/1/3/0/7/130776078/gibamobufixobeke.pdfIn PDF document text
    • http://innporto.net/uploads/1/3/0/6/130604836/tafogopuna.pdfIn PDF document text
    • http://galadus.pl/uploads/1/3/0/4/130488175/latagolun-garasuger-noxadib-voruvimaxanom.pdfIn PDF document text
    • http://nexoclean.com/uploads/1/3/0/4/130489997/gedanokazefafo-zarunuwakuke-wesod-kajigika.pdfIn PDF document text
    • http://refundif.com/uploads/1/3/0/6/130621472/tazimupupagevi-fafupusoviza-xatawadadosegut-gapagivava.pdfIn PDF document text
    • http://survey.rodhillportraits.com/uploads/1/3/0/6/130604382/130604382.html#lirik+sholawat+nariyah+fitriana+kamilaIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_001_off00002541.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2541 24972 bytes
SHA-256: b1589288ca56968e5038eb3a174f7ccad5a4d3465db8d485cdb544a1a85ef0cb
font_01_sfnt_off000050db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50DB 6752 bytes
SHA-256: d270cd440c07e658e41441550d710d229a6c2fbd3a7e17a2746b80e29b176393

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