Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f338aaac7d1324e…

MALICIOUS

PDF

35.0 KB Authoring application: OpenOffice Draw
MD5: 8a56c9a5043cb007f88f2f8f10543c97 SHA-1: 1d0e7fe030e410b13278fc9c4c5b4d82bc6baff7 SHA-256: 1f338aaac7d1324e1e1994356e004411a1ce38021b9f7669c4a21d8ed3d96984
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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://jockeyonassis.com/uploads/1/3/0/7/130740130/gotili.pdf
    • http://bellevueboysswive.com/uploads/1/3/0/3/130313122/nikan.pdf
    • http://mitchcapone.com/uploads/1/3/0/6/130640015/boliduxozilifubeput.pdf
    • http://divi-expert.com/uploads/1/3/0/5/130588230/podut.pdf
    • http://michelleshero.com/uploads/1/3/0/6/130621032/246f8b65f.pdf
    • http://somasoakcanada.com/uploads/1/3/0/6/130639708/davoginasulod.pdf
    • http://reliablelimoja.com/uploads/1/3/0/2/130291662/vifugisajadolabepeka.pdf
    • http://ltlhotshotforum.net/uploads/1/3/0/6/130639516/debozuvune_sadanadukuji_raburupezasuj.pdf
    • http://www.channelscott1.com/uploads/1/3/0/7/130739536/piwexe.pdf
    • http://tranqill.com/uploads/1/3/0/7/130775172/5371153.pdf
    • http://emilykasra.com/uploads/1/3/0/4/130488311/nowikan_fegifekozem.pdf
    • http://tsfetishmodels.com/uploads/1/3/0/2/130291712/widanunexa.pdf
    • http://www.thebrookhartbeat.com/uploads/1/3/0/6/130605447/123f8adcfdef.pdf
    • http://pickapassword.com/uploads/1/3/0/3/130324027/kadojojulur.pdf
    • http://mycoloradoorthodontist.com/uploads/1/3/0/6/130620897/fb6f40b464.pdf
    • http://michkah.com/uploads/1/3/0/6/130621216/jafosew.pdf
    • http://snli.co/uploads/1/3/0/8/130814106/sosek.pdf
    • http://nepservicesinc.com/uploads/1/3/0/6/130639762/jepunusajunufuluf.pdf
    • http://doorandwindowplus.com/uploads/1/3/0/7/130739524/7050198.pdf
    • http://kiluvonprince.net/uploads/1/3/0/5/130589435/pufudogu.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/7/130776854/130776854.html#hindu+panchang+vikram+samvat+2020

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002bb7.bin
223bec5e5a8d641a43348e8e307d1a9de49f3f83f56665a568d73d3a191c35f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB7 7020 bytes

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