Malicious PDF — malware analysis report

Static analysis result for SHA-256 452b897567d3aabb…

MALICIOUS

PDF

35.7 KB Authoring application: Inkscape
MD5: e0dcc496e0e2fdbc190e0c83719c770a SHA-1: 49a7ab941bb1e00a1d35f13adebbb7acf2b903ac SHA-256: 452b897567d3aabb686b9fc5137e7af153388d99f3584943e82eba59ba22b834
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample, and the document body content is largely unreadable, making it difficult to determine the exact lure.

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://joyfuljanitorial.com/uploads/1/3/0/2/130272388/2572355.pdf
    • http://mdcurbside.net/uploads/1/3/0/6/130620578/jafijunekunuluje.pdf
    • http://vancouvercounsellors.com/uploads/1/3/0/8/130814758/365342.pdf
    • http://nextgentheatreco.com/uploads/1/3/0/6/130604222/0082a49cf442d.pdf
    • http://deadeyestudios.co/uploads/1/3/0/2/130288416/7d0160ab2903e.pdf
    • http://mydanielswaterfrontcondo.com/uploads/1/3/0/2/130270873/xidoba_seguw_nekekum_gotabe.pdf
    • http://robertoribeiro.net/uploads/1/3/0/4/130483408/4118344.pdf
    • http://mireillemanzone.com/uploads/1/3/0/6/130639530/sinurenifupa-vujufadile.pdf
    • http://healthyprinting.biz/uploads/1/3/0/7/130776819/komoramunum.pdf
    • http://readerbunny.net/uploads/1/3/0/3/130324137/6541822.pdf
    • http://ouachitabehavioralhealth.net/uploads/1/3/0/4/130488470/4348041.pdf
    • http://oakland-abyssinia-productions.com/uploads/1/3/0/3/130313224/kubet.pdf
    • http://kswinehk.com/uploads/1/3/0/7/130775055/698214.pdf
    • http://zirma.com/uploads/1/3/0/6/130640070/wowar.pdf
    • http://readerbeepost.us/uploads/1/3/0/8/130814065/sakozu_wudoxebas_wefomuvu_pugesofokanume.pdf
    • http://dgias.pl/uploads/1/3/0/6/130605179/6003458.pdf
    • http://folkturk.net/uploads/1/3/0/5/130539265/48d97.pdf
    • http://8200doral.com/uploads/1/3/0/4/130483923/15b7b7.pdf
    • http://zilischasphalt.com/uploads/1/3/0/8/130874197/paniravuragirejibed.pdf
    • http://fun2gotravel.voyagerwebsites.com/uploads/1/3/0/7/130739218/130739218.html#drivers+acer+aspire+one+d257+windows+7+32bit

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cc6.bin
3e7bfbb21c19d00eb264eff5a1b79122220eadd4d96058f006b0a1daaa87e5bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC6 7876 bytes

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