Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2122f7dcd4862e6…

MALICIOUS

PDF

56.2 KB Authoring application: Serif PagePlus
MD5: 851cb419cff48b4d9d85e5df0b8dc538 SHA-1: 76ea1a642bdfd7a22d11e15a55d0d73b8f72b467 SHA-256: a2122f7dcd4862e6799f16baf447a8d5b08420513d59c8e950a8980c5099e058
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This suggests a phishing or SEO poisoning attack. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing intent. No scripts were extracted from this sample, limiting the analysis of direct payload delivery mechanisms.

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://bensresume.com/uploads/1/3/0/8/130813550/cd288e8c60.pdf
    • http://beautibybrownie.com/uploads/1/3/0/5/130588802/4377364114.pdf
    • http://detailinggreensboro.com/uploads/1/3/0/7/130775413/5370481.pdf
    • http://kidscreativestudio.com/uploads/1/3/0/2/130288534/3c60c1.pdf
    • http://localnannys.com/uploads/1/3/0/5/130541346/fded929df8bd.pdf
    • http://authorradio.com/uploads/1/3/0/3/130313414/kavuzana_loxukag_rodelexu.pdf
    • http://heinshomeimprovement.com/uploads/1/3/0/7/130740412/8466780.pdf
    • http://stevejager.com/uploads/1/3/0/3/130379523/3641533.pdf
    • http://leahfrost.info/uploads/1/3/0/4/130476412/7047902.pdf
    • http://churrch.life/uploads/1/3/0/7/130775700/mafutu_dupex_gumilejez_gefevaziponid.pdf
    • http://mikesfamoussteaksandsubs.com/uploads/1/3/0/6/130604263/fidunetosiva_tebukugonekow_sikinuzik.pdf
    • http://lemonadedivorce.net/uploads/1/3/0/4/130475980/zabibefevuda.pdf
    • http://meridiannow.com/uploads/1/3/0/8/130813732/fuxupamavuwon.pdf
    • http://petahuk.store/uploads/1/3/0/7/130776452/1652343.pdf
    • http://mainstrasse.org/uploads/1/3/0/2/130289252/6646941.pdf
    • http://hm3cbd.org/uploads/1/3/0/6/130639678/2224981.pdf
    • http://pourspoutequipment.net/uploads/1/3/0/6/130604788/sojiti_rozejupumode_kejesosirutuzu.pdf
    • http://host124.carmichaelnl.com/uploads/1/3/0/2/130272102/130272102.html#belly+support+band+target

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006524.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6524 16036 bytes
font_01_sfnt_off00007cb9.bin
fe6fd0f06e3274e027d7453102ff42fc818a144ccb4f26fc2f868f97d79e0be6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB9 8984 bytes

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