Malicious PDF — malware analysis report

Static analysis result for SHA-256 259f53d06cd9b2a6…

MALICIOUS

PDF

54.3 KB Authoring application: OpenOffice.org
MD5: 8c5c7eb6455c59da4fedfbdf5b40582d SHA-1: 0f376e2e21bed03eb04e8f19db6fa6db9e8eaedf SHA-256: 259f53d06cd9b2a63786eb92cb8b51e27febfdb3229139d4c5ea908b2fe6b294
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 URLs, forming a link farm. This is a common technique used in phishing campaigns to distribute malicious content or redirect users to fraudulent websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. No scripts were extracted from this sample.

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://ocseocali.com/uploads/1/3/0/5/130546880/17faf.pdf
    • http://besodelsoltan.com/uploads/1/3/0/4/130488338/vesefema-legimirujuvipag.pdf
    • http://myworldinanutshell.online/uploads/1/3/0/4/130483193/xifarodajozagas.pdf
    • http://kuluseregu.vezirgroup.com/uploads/2020/01/29/957947.pdf
    • http://quiltwithleslie.com/uploads/1/3/0/5/130543148/lunug.pdf
    • http://calvaryslofamilies.com/uploads/1/3/0/6/130621020/genofure.pdf
    • http://wordofgracechristianchurch.org/uploads/1/3/0/5/130544321/likatopo-rowezerarikasu.pdf
    • http://racheldemeritt.com/uploads/1/3/0/4/130483959/2187472.pdf
    • http://dfsheetmusic.com/uploads/1/3/0/6/130620265/ponevofexexoda.pdf
    • http://beyondthebellharrisonburg.com/uploads/1/3/0/6/130621789/kobetowivefumipo.pdf
    • http://meteormagic.weebly.com/uploads/1/3/0/2/130291766/c63ee57aeba1.pdf
    • http://auntkates.com/uploads/1/3/0/6/130639428/8189673.pdf
    • http://metiscollege.ca/uploads/1/3/0/5/130550672/vigafoxa_liguwoxoz_duwokeg.pdf
    • http://5pointauto.com/uploads/1/3/0/6/130620603/kivufirokijezifoxalu.pdf
    • http://naturaloasissalon.com/uploads/1/3/0/6/130620931/daziwuz_kibelikaxij_bovekezuwus.pdf
    • http://mrandmrslynch.net/uploads/1/3/0/5/130541443/803509.pdf
    • http://raphel.com/uploads/1/3/0/3/130313379/1326378.pdf
    • http://verajilogu.id-binomo.com/uploads/2020/01/29/roxumuravusalu.pdf
    • http://gofajova.arenatap.com/uploads/2020/01/29/nakabike.pdf
    • https://dewinatulopadoz.weebly.com/uploads/1/3/0/5/130551176/dobar_xebikedarobedag_xidoboware_vexop.pdf
    • http://newagevalue.com/uploads/1/3/0/4/130488530/4549743.pdf
    • http://cobblestoneconfectionsbakery.net/uploads/1/3/0/5/130588735/tasuvelabosabar.pdf
    • http://trails4tailsfest.org/uploads/1/3/0/4/130476503/130476503.html#3dr+solo+app

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016b9.bin
b26d02e331fe044ee6cd7d58e4e6e7a329324054d333bc14fee0a22d2deec8a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16B9 8240 bytes
font_01_sfnt_off00008542.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8542 16036 bytes
font_02_sfnt_off00009959.bin
41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9959 2600 bytes

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