Malicious PDF — malware analysis report

Static analysis result for SHA-256 deeb705db4e0d757…

MALICIOUS

PDF

48.1 KB Authoring application: Scribus
MD5: dfe7c3dff258d464c6737944de42da63 SHA-1: f9f1d0ab8d7b3eaeaf51df59cedf1154955aa52c SHA-256: deeb705db4e0d757db05810d1b2f7114dbaa95e1a36b97d7dc0db43bb8743a3e
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, as indicated by the PDF_SEO_LINK_FARM heuristic. These URLs point to other PDF files hosted on various domains, suggesting a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to traffic generation or phishing. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://chrissybtherapy.com/uploads/1/3/0/5/130588461/kunivigob-vogupolaminopo-gopegexipuxubi.pdf
    • http://nickgrossman.net/uploads/1/3/0/7/130739119/8487392.pdf
    • http://mywelby.org/uploads/1/3/0/3/130379110/nukux-tajogewe-xenebenire.pdf
    • http://moldremovaltarzana.org/uploads/1/3/0/6/130604885/774147.pdf
    • http://pastelazteca.com/uploads/1/3/0/2/130272319/ec805f338.pdf
    • http://learninglifestyleproject.net/uploads/1/3/0/5/130588620/sebufalofifu.pdf
    • http://vintagehomecharleston.com/uploads/1/3/0/6/130639946/vetos_doforefawuru_godumixunux_vokezomuxogipu.pdf
    • http://myssample.com/uploads/1/3/0/6/130604299/dagopuxaso-rejekej-doxubinemakokis.pdf
    • http://saltlakecitybarbershop.com/uploads/1/3/0/2/130272898/junox.pdf
    • http://www.tranquilswim.com/uploads/1/3/0/5/130588754/lijovi.pdf
    • http://falconinvestigates.com/uploads/1/3/0/7/130739289/5470573.pdf
    • http://mirthrot.net/uploads/1/3/0/5/130588913/texufopifeji_jivenuti_vovuled.pdf
    • http://jamesmcleodvoice.com/uploads/1/3/0/3/130313495/nokezajorokanoz.pdf
    • http://environmentalhealthnetwork.org/uploads/1/3/0/6/130604637/9249981.pdf
    • http://bagsofun.co.uk/uploads/1/3/0/6/130640027/movijija.pdf
    • http://www.paintcrushstudio.com/uploads/1/3/0/6/130621211/4966770.pdf
    • http://dragonflylivestockranch.com/uploads/1/3/0/5/130588679/redevixito_kixigegufogejoz_buvajirove_buxasivezi.pdf
    • http://camcfl.com/uploads/1/3/0/3/130323597/5943607.pdf
    • http://www.freshncleanphilly.com/uploads/1/3/0/4/130488227/f058a9e03172c8.pdf
    • http://joulukortit.net/uploads/1/3/0/3/130323518/4290716.pdf
    • http://jhrpropertyltd.com/uploads/1/3/0/7/130740444/130740444.html#usp+phosphate+buffer+ph+7.2

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001189.bin
41b141cf8ffde8adc6f9fcf6985dbaeaf04c1f46eeae2939e962bfd64909a1f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1189 7512 bytes

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