Malicious PDF — malware analysis report

Static analysis result for SHA-256 dead91098ddd94c6…

MALICIOUS

PDF

32.1 KB Authoring application: ImageMagick
MD5: 39a4d24eceb5961a1f86038540315e17 SHA-1: 1645ca57aa0a2e424c9420136038deb54ff2d146 SHA-256: dead91098ddd94c6af145756311cab537774650155b1a524e92776645c84eae0
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though heavily obfuscated, contains references to 'Schneider electric installation guide', suggesting a lure to disguise the malicious links.

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://shortcutviralnews.com/uploads/2020/01/29/nowuga.pdf
    • http://ministerioslagloriaestuyajesus.org/uploads/1/3/0/4/130491932/1894806.pdf
    • http://myhypecheck.com/uploads/1/3/0/5/130543764/3518790.pdf
    • http://koasports.com.au/uploads/1/3/0/3/130312968/8715766.pdf
    • http://xemo.wannahotgirlss.online/uploads/2020/01/28/4849160.pdf
    • http://nateveorganic.com/uploads/1/3/0/6/130621405/b6905e46b9.pdf
    • http://worldofpain.org/uploads/1/3/0/5/130540240/2547107.pdf
    • http://dabeedesign.com/uploads/1/3/0/2/130287279/7786455.pdf
    • http://nikitakingphotography.com/uploads/1/3/0/6/130639681/47425fd662c83d.pdf
    • http://kobeposud.oknarkm.ru/uploads/2020/01/28/e348f89a37.pdf
    • http://mycyberphile.com/uploads/1/3/0/5/130588185/8692105.pdf
    • http://middlesexrheum.com/uploads/1/3/0/5/130540072/8521624.pdf
    • http://breastfeedingcork.com/uploads/1/3/0/4/130489241/e9bdcc6c.pdf
    • http://1medvrn.ru/uploads/2020/01/27/tirapadadigozat.pdf
    • http://fin-payments.top/uploads/2020/01/27/zarubos-rejej-fesamusa-lumojologek.pdf
    • http://nemuxi.trinityemprestimos.com/uploads/2020/01/29/f0b602d96775.pdf
    • http://sauerlandhypotheek.nl/uploads/1/3/0/4/130488417/130488417.html#schneider+electric+installation+guide+2016+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001407.bin
fd72eaf8555ed1fcc329ec7eb44aeca8d485b00e5922908b3f83452ec76153dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1407 7528 bytes

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