Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e71ecbe5a1de37b…

MALICIOUS

PDF

42.9 KB Authoring application: PDF Studio
MD5: 7f3427add0d6395f895c7742475ca206 SHA-1: 69640a243a711711b15b6054377db60df00904dd SHA-256: 9e71ecbe5a1de37bcfb02def163f8a51468d7df71dbf73e6ee1a2c031c78ac7c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as a phishing-related threat. The document body contains text related to downloading music, which could be a lure to disguise the malicious intent of redirecting users to potentially harmful content.

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://hotoffer.info/uploads/2020/01/29/7038525.pdf
    • http://do-long.com/uploads/2020/01/29/89fb317be05.pdf
    • http://gonevig.audiostart07.icu/uploads/2020/01/28/7f67c4dca1.pdf
    • http://madamemodica.com/uploads/1/3/0/6/130621013/cd07710.pdf
    • http://dowo.okgelenk.pw/uploads/2020/01/29/vuvinowofewa.pdf
    • http://famubox.ladadetail.net/uploads/2020/01/29/ccfbbb6c1e.pdf
    • http://nicolebarry.ca/uploads/1/3/0/6/130620854/9821305.pdf
    • http://xanoj.cardesign.su/uploads/2020/01/27/faxol-farum-razibuwexeve.pdf
    • http://vivov.hoyut.icu/uploads/2020/01/27/3682127.pdf
    • http://dan.uaenoon.net/uploads/2020/01/28/5454687.pdf
    • http://goodbless.us/uploads/1/3/0/2/130291910/takelosodupuw.pdf
    • https://kokewapinaporu.weebly.com/uploads/1/3/0/4/130488362/zutiwuzemoje-samowudurotunir-wuxagizonavumiz.pdf
    • http://instagram-support-account.com:80/uploads/2020/01/28/pemar.pdf
    • https://fagirodun.weebly.com/uploads/1/3/0/3/130313299/tununa.pdf
    • http://neze.diamantevidrosweb.site/uploads/2020/01/28/9258751.pdf
    • http://crissconsultinggroup.com/uploads/1/3/0/5/130546096/vuzemuwexaw_xufejuwolafu_reresawemidapan_dumazuvomasix.pdf
    • http://patricianesci.com/uploads/1/3/0/4/130435741/1478244.pdf
    • http://asenamott.com/uploads/1/3/0/3/130379361/99d9f0ff7b.pdf
    • http://matankorin.com/uploads/1/3/0/3/130380084/9927307.pdf
    • http://videoveb.info/uploads/2020/01/28/laxumupozul_memonipekimasa_xaxudetotawoxid.pdf
    • http://clarksurveyor.com/uploads/1/3/0/5/130550867/sarafemevasu.pdf
    • https://kulolanodalar.weebly.com/uploads/1/3/0/5/130551197/zimumasifufevuden.pdf
    • http://soulsinfriendship.org/uploads/1/3/0/4/130476456/5634895.pdf
    • http://dupu.audiostart11.icu/uploads/2020/01/28/pasamokixiwinazobiv.pdf
    • https://fojukuzibel.weebly.com/uploads/1/3/0/5/130541950/4668216.pdf
    • http://levelupmastermindgroup.com/uploads/1/3/0/3/130313339/130313339.html#descargar+discografia+de+pink+floyd
    • http://videoveb.info/uploads/2020/01/28/laxumupozul_memonipekimasa_xaxudetotawoxid

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000181f.bin
e4327f311785da8ae8d4ce8a27263be72011bc9e742a1bfdc6310bfefdc375af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x181F 9632 bytes

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