Malicious PDF — malware analysis report

Static analysis result for SHA-256 21a0bdd6d3177160…

MALICIOUS

PDF

55.4 KB Authoring application: ImageMagick
MD5: 68c95acd9f569d7b48684aa826597d6e SHA-1: 7441b7e2d549d7c3363d645b95795bea287840eb SHA-256: 21a0bdd6d3177160ca81278164d5b59a4a643870513f33f5fe3425533815400b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used for SEO poisoning and phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs point to various domains, all structured similarly, suggesting a coordinated effort to distribute malicious content.

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://strawberrycookienv.com/uploads/1/3/0/5/130590555/041d4a7.pdf
    • http://coateschicken.com/uploads/1/3/0/5/130545932/dofalaj.pdf
    • http://513free.net/uploads/1/3/0/5/130540746/1677986.pdf
    • http://mtziongoshen.church/uploads/1/3/0/4/130483748/7cf7d58.pdf
    • http://macsettlementservices.com/uploads/1/3/0/4/130477829/dorizip.pdf
    • http://ramosironworks.net/uploads/1/3/0/5/130551298/luvojo-morafigofafi.pdf
    • http://www.dataconversionfundamentals.com/uploads/1/3/0/8/130815311/safere-fasewafonaka-tomufipowusoke-gilawojevasokit.pdf
    • http://bloomingdalecorporatecenter.com/uploads/1/3/0/8/130873916/zatomeje.pdf
    • http://influentialblog.com/uploads/1/3/0/5/130550972/koril.pdf
    • http://nateveorganic.com/uploads/1/3/0/7/130739298/286462.pdf
    • http://jokes-today.com/uploads/1/3/0/8/130814237/2eab73afd91.pdf
    • http://purpleshirts.net/uploads/1/3/0/7/130775792/8102422.pdf
    • http://www.enyao-int.com/uploads/1/3/0/7/130739430/3a0e60b.pdf
    • http://engineeringally.com/uploads/1/3/0/6/130605036/725622.pdf
    • http://0abe.brdge.org/uploads/1/3/0/6/130620737/130620737.html#atkins+printable+food+list+phase+1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001313.bin
38a942ddd5f7d99f2b47854cdfd199c7bee49ab561992aa910b5575d1f62a5f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1313 8384 bytes

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