Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d7bdaba5eb92787…

MALICIOUS

PDF

57.7 KB Authoring application: Karbon
MD5: 6e7ce3da281e667b25f46a27ee7af4de SHA-1: 3b1afe9c4a7e8fc4f646d96e44129979a1e1c0bd SHA-256: 0d7bdaba5eb92787605d7abff9338fe7dcc0d3f113cdf1bb2f478c5ee98a847e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further support its malicious nature. The embedded URLs are likely used to distribute phishing content or download further malicious payloads.

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://emmawatkinson.co.uk/uploads/1/3/0/2/130273814/3499265.pdf
    • http://webmail.airlinepilotservice.com/uploads/1/3/0/5/130588845/621333.pdf
    • http://lucky13lawncare.com/uploads/1/3/0/4/130435499/rojenegalejipijuwiwi.pdf
    • http://natbayley.com/uploads/1/3/0/5/130546294/4380583.pdf
    • http://hostmaster.ipu-germany.de/uploads/1/3/1/0/131070298/wazanis-kujisuwuxiw.pdf
    • http://christinefawson.net/uploads/1/3/0/3/130324164/3d18f134fa.pdf
    • http://scahistoricalsociety.com/uploads/1/3/0/6/130605240/madegijaka_bapepugiwax_zefovazefeje_xivutukuxum.pdf
    • http://peacenfreedom.com/uploads/1/3/0/6/130621261/5651757.pdf
    • http://project58serve.org/uploads/1/3/0/2/130272452/bereforetupex_wetinupekox_rulatulojofis_voset.pdf
    • http://marijuanaexchangemarket.com/uploads/1/3/0/6/130603782/18f04db6b.pdf
    • http://www.alloccasionevents.net/uploads/1/3/0/5/130590779/1740987.pdf
    • http://beautifulpinkk.com/uploads/1/3/0/6/130622110/kidokojuval.pdf
    • http://mx.texantoweroa.org/uploads/1/3/0/6/130639950/3092363.pdf
    • http://nursingarmpillow.com/uploads/1/3/0/7/130739346/130739346.html#livre+algorithme+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001351.bin
16a956076308c51545c0730c5b25a658a1dcb79a258255c19f2321c02d55d2f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1351 10648 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.