Malicious PDF — malware analysis report

Static analysis result for SHA-256 f05be800d2129577…

MALICIOUS

PDF

36.8 KB Authoring application: QPDF
MD5: 0e649facdd0f9b70709f858aa31a70e5 SHA-1: e1b2122851a04dcf38017cf1e8b1c55d4978012a SHA-256: f05be800d2129577b5483e17e4894024d4a4ff138ee252672e3b6426aa63dd6e
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, a common tactic for SEO poisoning and phishing. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The embedded URLs likely lead to further malicious content or malware downloads.

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://remondbeylonsupmael.com/uploads/1/3/0/2/130292148/wobuxapevijuki.pdf
    • http://brisbaneblonde.com/uploads/1/3/0/3/130379517/kuluxeguratik.pdf
    • http://merx-group.com/uploads/1/3/0/7/130739488/f989527.pdf
    • http://beachhousemv.com/uploads/1/3/0/6/130604919/9335111.pdf
    • http://princetonfamilywellness.com/uploads/1/3/0/3/130323158/tipovotajaro.pdf
    • http://35ewc.com/uploads/1/3/0/7/130739711/gijalaf.pdf
    • http://zeegee1.com/uploads/1/3/0/6/130620952/36e578beb6ec.pdf
    • http://www.asianretreatspa.com/uploads/1/3/0/6/130603935/nuleviwubirev-masadilifosa-muxep-furefowojikug.pdf
    • http://tomileh.com/uploads/1/3/0/3/130379638/214594.pdf
    • http://coopermanselfdefense.com/uploads/1/3/0/6/130621021/5607606.pdf
    • http://outdoorpup.com/uploads/1/3/0/8/130873979/9950832.pdf
    • http://missprettyyarn.com/uploads/1/3/0/3/130323567/3b29efc9a.pdf
    • http://thenestingspot.org/uploads/1/3/0/4/130491757/wiwogu.pdf
    • http://mx01.columbiacomputers.com/uploads/1/3/1/0/131070498/fc5cc8eed697b.pdf
    • http://studio-jrochielle.com/uploads/1/3/0/2/130287504/f70bf0f7379a.pdf
    • http://www.bechozendesigns.com/uploads/1/3/0/7/130776541/zatizubujazox-wokibamuloxuzi-fewamediki-bodobewupivisa.pdf
    • http://nirvanaeventlighting.com/uploads/1/3/0/6/130620412/5701438.pdf
    • http://marianasumerced.com/uploads/1/3/0/7/130776687/vajijeg_salexeku_pejovejupovoto.pdf
    • http://www.aqua2s.fr/uploads/1/3/0/4/130489020/sosakikarujo_xovademenefonap_kiguxujinobovif.pdf
    • http://www.coltondaffern.net/uploads/1/3/0/9/130969322/8912150.pdf
    • http://alphadetailingsl.com/uploads/1/3/0/7/130776526/bitomiratobumib.pdf
    • http://webdisk.t2troubleshooting.com/uploads/1/3/0/8/130814871/130814871.html#export+indd+to+pdf+online
    • http://studio-jrochielle.com/uploads/1/3/0/2/130287504/f70

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f8d.bin
dff109ebe75a8212c175c6eb6bb31c3cb87932be13016b0cbda231726a976bfa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F8D 7780 bytes

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