Malicious PDF — malware analysis report

Static analysis result for SHA-256 67cf0bdca9dcef78…

MALICIOUS

PDF

38.9 KB Authoring application: Serif PagePlus
MD5: 7d6d485e1a2198afbcbb145220263a12 SHA-1: e2db9c39ca126684ae6e8d54f65a72c8ca1e6c75 SHA-256: 67cf0bdca9dcef787ca87f353bf9ee4469e951e668b8d7a9a7d50d553696a4fb
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, likely intended to redirect users to malicious content, as indicated by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection. The document body's text suggests a lure to download another PDF, possibly to bypass initial security checks, aligning with the 'SE_PASSWORD_ARCHIVE_LURE' finding. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://animazioneteatrale.com/uploads/1/3/0/2/130272282/2781711.pdf
    • http://soundkitsupply.com/uploads/1/3/0/3/130313766/zizofe_jozipibopoti_xujug_vosizirajuto.pdf
    • http://bebrandconfident.live/uploads/1/3/0/6/130622007/6059194.pdf
    • http://pesurezaf.vipiski-besplatno30.icu/uploads/2020/01/29/gedetotopubazeg.pdf
    • http://milesoftinysmiles.com/uploads/1/3/0/2/130270866/1778c6e.pdf
    • http://mydealsoffers.weebly.com/uploads/1/3/0/6/130620337/4551409.pdf
    • http://apartmentsinbuffalony.com/uploads/1/3/0/3/130323159/675b97933f33.pdf
    • http://junkbond-losses.com/uploads/1/3/0/6/130604911/wawaleniw.pdf
    • http://lexexujul.rkmw.ru/uploads/2020/01/28/2216844.pdf
    • http://tastinggame.eu/uploads/1/3/0/6/130604810/mojexafarid.pdf
    • http://muttleys.ca/uploads/1/3/0/4/130435520/130435520.html#american+speak+out+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001298.bin
dff70b955dc0f4e0ed8040939dcf9080669e77d4267332412f0a383896b61585		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1298 8588 bytes

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