Malicious PDF — malware analysis report

Static analysis result for SHA-256 97cbba2c75f0dc4d…

MALICIOUS

PDF

33.5 KB Authoring application: PDF Studio
MD5: 55cdcc767a9ec56a54609123e3c33d39 SHA-1: 1ab20452c1261209a048dccc76ee7fc69560abd3 SHA-256: 97cbba2c75f0dc4d6eea0d7f7fe26ef8785a1acd5905c1740dd494ecfc87a596
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or malicious redirection intent. The document body, though heavily obfuscated, also contains URLs that are part of this link farm. This suggests the primary goal is to redirect the user to malicious content hosted on these external sites.

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://sevenflowersfloralshop.com/uploads/1/3/0/6/130605040/subuziweme_pajewurabuzi_refoxijuworu_gabozujasagorax.pdf
    • http://mygabrielagarcia.com/uploads/1/3/0/4/130489536/62780d8c710c7a.pdf
    • http://ags-us.org/uploads/1/3/0/6/130604198/6097779.pdf
    • http://sophiesrabbitry.com/uploads/1/3/0/7/130739887/zurinafu.pdf
    • http://mnechemia.com/uploads/1/3/0/3/130313299/951842.pdf
    • http://geekygiftbaskets.com/uploads/1/3/0/6/130621496/d44dff8d51.pdf
    • http://trinitycastle.com/uploads/1/3/0/6/130621095/joxiw.pdf
    • http://artbybelen.com/uploads/1/3/0/7/130775729/zinixezujemufu-lupuvomap.pdf
    • http://nesyb.net/uploads/1/3/0/2/130273582/c290e.pdf
    • http://drmanivongjratts.com/uploads/1/3/0/5/130588685/8448596.pdf
    • http://bethanyschooljat.org/uploads/1/3/0/3/130312923/kezujojib.pdf
    • http://keyofkaye.com/uploads/1/3/0/6/130639538/2896889.pdf
    • http://blueroseprintlab.com/uploads/1/3/0/7/130776162/d02c110c1c80318.pdf
    • http://drmsanchez.com/uploads/1/3/0/6/130620547/kezanivobimejis-reketo.pdf
    • http://3doorsnowalls.com/uploads/1/3/0/4/130476033/6220907.pdf
    • http://rhjerkyoutlet.com/uploads/1/3/0/6/130620736/kuzometiro.pdf
    • http://blogwithme.club/uploads/1/3/0/5/130588345/2717959.pdf
    • http://nlg-pros.com/uploads/1/3/0/4/130483741/dasagiponoriga.pdf
    • http://spiritcircuits.net/uploads/1/3/0/6/130603789/4473500.pdf
    • http://www.happyhorsehollow.com/uploads/1/3/0/6/130639895/rinere_datosu_susidajomewup.pdf
    • http://masonkeim.net/uploads/1/3/0/6/130620986/03ab1d66b20688.pdf
    • http://spoiledvapers.ca/uploads/1/3/0/4/130483561/pigub_milisi_xaligepeget_gukufefif.pdf
    • http://castledeepenergy.com/uploads/1/3/0/8/130814052/gatije.pdf
    • http://alvarezorganicfarm.com/uploads/1/3/0/7/130776374/768394c0b701448.pdf
    • http://29.bpmtc.com/uploads/1/3/0/7/130740207/130740207.html#administra%C3%A7%C3%A3o+da+produ%C3%A7%C3%A3o+e+opera%C3%A7%C3%B5es+norman+gaither+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001eba.bin
0a4f7d963afbbdbcfaa2b8a0e0378f1fea66077fdc48746392584c00737de1bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1EBA 9092 bytes

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