Malicious PDF — malware analysis report

Static analysis result for SHA-256 edaf2b113cf96fe7…

MALICIOUS

PDF

45.3 KB Authoring application: Karbon
MD5: 73cf93e77d252bbe2b31ff343ad15f0e SHA-1: e6734cc36d792ec43df6effca6dd5745ab8c58ae SHA-256: edaf2b113cf96fe7ab31bd5d805c34c6c43219887f953a09be7f117df4f27029
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits a critical heuristic firing for a link farm, containing 31 external PDF links. The ClamAV detection further confirms its malicious nature, identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are likely used to redirect users to phishing sites or download further malicious content. The document body contains garbled text, suggesting it is not intended for direct user interaction but rather as a vessel for the malicious links.

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://ninapouesi.com/uploads/1/3/0/8/130814349/67ea2abbc4c2f.pdf
    • http://obgaragedoors.com/uploads/1/3/0/3/130323182/1729846.pdf
    • http://miatv.us/uploads/1/3/0/2/130288317/zopaliwokazujopudufi.pdf
    • http://hesaidhesaid.co/uploads/1/3/0/7/130776795/xiwem.pdf
    • http://yoursavvyfriend.com/uploads/1/3/0/7/130738720/3545ec650dfa842.pdf
    • http://tracevilab.com/uploads/1/3/0/2/130287934/soregosu.pdf
    • http://techtutorct.com/uploads/1/3/0/7/130740374/gedegava-kokiwoperojup-gorevazavat.pdf
    • http://bastionaudio.co.uk/uploads/1/3/0/6/130604806/gisuxite-ranilelolepiw.pdf
    • http://ndcca2016.com/uploads/1/3/0/6/130620712/lezudasirizinama.pdf
    • http://radiantsoulrecords.com/uploads/1/3/0/6/130621160/3482047.pdf
    • http://wwww.geras.sk/uploads/1/3/0/6/130639236/b4005959.pdf
    • http://steamboatevangelicalchurch.com/uploads/1/3/0/6/130604104/8f7221d0daca8a.pdf
    • http://jimmysgrille.org/uploads/1/3/0/2/130270742/jejasetebu-xifupobuvi-karujanuwasawi-vifanejiwap.pdf
    • http://colleges2010.com/uploads/1/3/0/3/130323423/6a719.pdf
    • http://khartspectrumcharter.com/uploads/1/3/0/8/130814241/652142.pdf
    • http://wheatonhills.com/uploads/1/3/0/6/130639980/wutasaw.pdf
    • http://vpgrou.brdge.org/uploads/1/3/0/6/130620909/130620909.html#palabras+agudas+graves+y+esdrujulas+sobreesdrujulas+ejemplos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012e0.bin
b8093ab4bb635a70873901254dae3a4c386268b744ac5058fb9b86ab2ec93e08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12E0 8600 bytes

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