Malicious PDF — malware analysis report

Static analysis result for SHA-256 d42b772a6245442f…

MALICIOUS

PDF

24.7 KB Created: 2020-03-18 11:23:50 +00:00 Authoring application: mPDF 5.7
MD5: 513b6b1929b33926bbb6ff5e36150741 SHA-1: e688b06aeca413e4f5656f815a1f1274ccafc92e SHA-256: d42b772a6245442f86583f6b03012804bf61fe12d711f361e7564b7a6c31ce8f
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a PDF SEO link farm, indicating a large number of embedded external links. The primary purpose appears to be SEO manipulation or potentially distributing further malicious content via these links. No scripts were extracted, limiting the ability to determine a more specific attack pattern or family. The embedded URLs are the highest priority IOCs.

Heuristics 2

  • 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.
  • 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://lwoscmobook.myhome.cx/252425241524052445240/Blood-Secrets-Alexandra-Sabian-2-by-Jeannie-Holmes.pdf
    • http://lwoscmobook.myhome.cx/252455241524352455248/Blood-Secrets-A-Forensic-Expert-Reveals-How-Blood-Spatter-Tells-the-Crime-Scene-s-Story-by-Rod-Englert.pdf
    • http://lwoscmobook.myhome.cx/152475248524252445245/Born-in-Blood-The-Sentinels-1-by-Alexandra-Ivy.pdf
    • http://lwoscmobook.myhome.cx/252405246524452475249/Blood-Lies-Alexandra-Jones-3-by-Samantha-Towle.pdf
    • http://lwoscmobook.myhome.cx/852445248524252435246/The-Sherlock-Holmes-Illustrated-Omnibus-The-Adventures-of-Sherlock-Holmes-the-Memoirs-of-Sherlock-Holmes-the-Hound-of-the-Baskervilles-the-Return-of-Sherlock-Holmes-A-Facsimile-of-the-by-Arthur-Conan-Doyle.pdf
    • http://lwoscmobook.myhome.cx/752405243524052475249/Blood-of-the-Lamb-A-Novel-of-Secrets-by-Sam-Cabot.pdf
    • http://lwoscmobook.myhome.cx/252415248524752435240/Blood-Secrets-by-Karen-E-Taylor.pdf
    • http://lwoscmobook.myhome.cx/152475249524552415244/First-Do-No-Evil-Blood-Secrets-1-by-Carey-Baldwin.pdf
    • http://lwoscmobook.myhome.cx/452475245524652455246/Blood-Secrets-Valorian-Chronicles-1-by-Vivi-Anna.pdf
    • http://lwoscmobook.myhome.cx/952455246524152445244/The-Blood-Code-Unlock-the-secrets-of-your-metabolism-by-Richard-Maurer.pdf
    • http://lwoscmobook.myhome.cx/1524052485242524652455248/Born-in-Blood-The-Lost-Secrets-of-Freemasonry-by-John-J-Robinson.pdf
    • http://lwoscmobook.myhome.cx/852445248524052475244/The-Complete-Sherlock-Holmes-Treasury-Including-The-Complete-Adventures-and-Memoirs-of-Sherlock-Holmes-The-Return-of-Sherlock-Holmes-The-Hound-of-the-Baskervilles-by-Arthur-Conan-Doyle.pdf
    • http://lwoscmobook.myhome.cx/652495249524752475245/In-Quisling-s-Shadow-The-Memoirs-of-Vidkun-Quisling-s-First-Wife-Alexandra-by-Alexandra-Andreevna-Voronine-Yourieff.pdf
    • http://lwoscmobook.myhome.cx/852475246524952405245/Sherlock-Holmes-Holmes-and-the-Ripper-by-Brian-Clemens.pdf
    • http://lwoscmobook.myhome.cx/252435246524452415244/A-Question-of-Holmes-Charlotte-Holmes-4-by-Brittany-Cavallaro.pdf
    • http://lwoscmobook.myhome.cx/1524152485248524852485247/Jeannie-by-Cox.pdf
    • http://lwoscmobook.myhome.cx/852475247524752425247/The-Adventures-of-Sherlock-Holmes---Gift-Edition-A-Sherlock-Holmes-Short-Story-Collection-Volume-1-by-Arthur-Conan-Doyle.pdf
    • http://lwoscmobook.myhome.cx/1524052455246524952455240/A-Study-in-Scarlet-Introducing-Sherlock-Holmes-The-Sherlock-Holmes-Collection-Volume-1-by-Arthur-Conan-Doyle.pdf
    • http://lwoscmobook.myhome.cx/1524152485248524652475242/Something-About-Her-by-Jeannie-Ruesch.pdf
    • http://lwoscmobook.myhome.cx/1524052475246524352445243/Young-Sherlock-Holmes-Das-Leben-ist-t-dlich---Sherlock-Holmes-ermittelt-in-Amerika-by-Andy-Lane.pdf
    • http://lwoscmobook.myhome.cx/852445248524252435246/The-Sherlock-Holmes-Illustrated-Omnibus-The-Adventures-of-Sherlock-Holmes-the-Memoirs-of-Sherlock-Holmes-the-Hound-of-the-Baskervilles-the-Return-of-Sherlock-Holmes-A-Facsimile-of

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