Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e7018110105f4ed…

MALICIOUS

PDF

36.8 KB Authoring application: LibreOffice
MD5: 9f4b5224a4fd0ff2513f8a5563e964e4 SHA-1: 0349b249596c66e1bc52e94c5a5785ebd3a978d1 SHA-256: 6e7018110105f4edc74863984c70dd029172954597e58592b13b9967f4d89fc6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or redirection scheme. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the numerous external links are the primary indicators of malicious activity.

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://maaloufbrothers.com/uploads/1/3/0/3/130313057/696325.pdf
    • https://fevowejifukuza.weebly.com/uploads/1/3/0/2/130288642/dukozuzenolubusezex.pdf
    • https://fewaxudavinalu.weebly.com/uploads/1/3/0/5/130589227/6346401.pdf
    • http://falutupim.newstimes.ru/uploads/2020/01/29/4f5486ec1f17e8.pdf
    • https://fomibaroxipiv.weebly.com/uploads/1/3/0/3/130323929/9f52d4a1cd6.pdf
    • http://busadi.info/uploads/2020/01/27/8e72ec0e8e0f.pdf
    • http://kennebunkportbedandbreakfast.com/uploads/1/3/0/6/130621412/nanukamirugugij_nepegafefape_fokidosekod_wexir.pdf
    • http://thecvap.org/uploads/1/3/0/6/130604688/bazetonigotuf.pdf
    • https://gaxekonop.weebly.com/uploads/1/3/0/2/130272325/fugebixa-xorefekivigutik-joranugigivu-digukejakuto.pdf
    • http://xojal.smart161.ru/uploads/2020/01/27/pozulax.pdf
    • https://potuwakax.weebly.com/uploads/1/3/0/3/130323538/bakolikuru.pdf
    • http://rem-post.ru/uploads/2020/01/29/699758.pdf
    • https://fobujupedexep.weebly.com/uploads/1/3/0/5/130545932/579918e445a5.pdf
    • http://mxmsupport.com/uploads/1/3/0/6/130605074/70d01b36fc529ee.pdf
    • http://pug.bottinnok.xyz/uploads/2020/01/27/2808061.pdf
    • http://mysticgardentw.com/uploads/1/3/0/6/130620853/7724853.pdf
    • http://boda-hilda-avelino.com/uploads/2020/01/27/xekixesexatubozik.pdf
    • http://keves.iddingwitsof.mobi/uploads/2020/01/28/kudijadezevidebazij.pdf
    • http://rbgconsultingllc.org/uploads/1/3/0/5/130550986/mitezobaje.pdf
    • http://2020blue.org/uploads/1/3/0/4/130435876/130435876.html#karekare+beach+surf+report

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015cf.bin
548fb3a909ab7b481fac12bb0d85459d6b9bcdcfcbd0ab07cc2eaab339879efd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15CF 9104 bytes

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