Malicious PDF — malware analysis report

Static analysis result for SHA-256 977bd4a44fa81c1c…

MALICIOUS

PDF

38.7 KB Authoring application: Nitro PDF
MD5: 7669b1893fef0123501134e97c44e677 SHA-1: 4c230955a7f05deb2c60f6dc23fd5106ef5b1da9 SHA-256: 977bd4a44fa81c1cda5519f00b7cbd0ff0d07e543811ce0a5b81d292ea034f8a
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files across various domains. This behavior is indicative of a link farm or redirection scheme, commonly used in phishing or malware distribution campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-generation intent.

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://luvofit.com/uploads/1/3/0/5/130539492/3989200.pdf
    • http://mabuto.net/uploads/1/3/0/5/130588856/f806aa774ab0c.pdf
    • http://myteachertoolbelt.com/uploads/1/3/0/8/130873895/4729418.pdf
    • http://shoes.boutique/uploads/1/3/0/7/130776279/madasisux_morovunigogutop_nuridinog_bakekutixen.pdf
    • http://mikalsmountainco.com/uploads/1/3/0/2/130272396/fupugadera_vekaxupome_vewomodetuvate_sorumena.pdf
    • http://duettechnology.com/uploads/1/3/0/2/130272932/4129679.pdf
    • http://www.bestclassicalrecording.com/uploads/1/3/0/5/130543240/6a2a994.pdf
    • http://twinklifeglobal.com/uploads/1/3/0/6/130639382/6599d4996.pdf
    • http://momstoybox.com/uploads/1/3/0/7/130776219/ximoradu-fodadovitokojil.pdf
    • http://arcofbrowncounty.org/uploads/1/3/0/5/130590082/jugetula.pdf
    • http://seapavilionsg.com/uploads/1/3/0/7/130775422/witakiritanuku.pdf
    • http://sidforeigner.com/uploads/1/3/0/5/130550968/cefff1445beb7.pdf
    • http://lorilongconsulting.com/uploads/1/3/0/6/130620965/f612fc75447ed.pdf
    • http://auntybencookie.com/uploads/1/3/0/7/130739232/degoniwuxow.pdf
    • http://owngov.net/uploads/1/3/0/7/130775858/nasujopatapewexijiz.pdf
    • http://nantymoelprimary.com/uploads/1/3/0/6/130604423/3977376.pdf
    • http://northeastohiodukes.com/uploads/1/3/0/5/130539728/7806353.pdf
    • http://midlandfencepros.com/uploads/1/3/0/4/130436006/7977928.pdf
    • http://alexmoskowitz.com/uploads/1/3/0/4/130476736/fopokivasozif-dowuz-jigedarasitigi.pdf
    • http://sdorsher.com/uploads/1/3/0/7/130738984/3444290.pdf
    • http://suhki-portraits.rominastiebenphotography.com/uploads/1/3/0/6/130605010/130605010.html#how+to+convert+rented+kindle+books+to+pdf
    • http://momstoybox.com/uploads/1/3/0/7/13077

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000373a.bin
87f2841ff65c90316d52a8e1b2793321ddbfc199b764e36e96acc4308de9d48a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x373A 8084 bytes

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