Malicious PDF — malware analysis report

Static analysis result for SHA-256 2068d927ca5b1806…

MALICIOUS

PDF

15.7 KB Created: 2019-05-01 08:09:22 +01:00 Authoring application: mPDF 5.7
MD5: 700b6e7061a5e5dbdc03cb3b88476af0 SHA-1: bb2036781af1dd2e5c1a539028cd5de19754b669 SHA-256: 2068d927ca5b18067469ae818c72e20b7c8a349d8f92e7e2251ed96113238937
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF documents on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery or execution methods. The primary attack pattern observed is the mass distribution of external links.

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://cefasfese.4pu
    • http://cefasfese.4pu.com/2732738730732733/A-Heart-So-White-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/3737737736737/A-Heart-So-White-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/7735733732739/A-Heart-So-White-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/4739734731735734/Holly-s-Heart-Collection-2-Second-Best-Friend-Good-Bye-Dressel-Hills-Straight-A-Teacher-No-Guys-Pact-Little-White-Lies-Holly-s-Heart-6-10-by-Beverly-Lewis.pdf
    • http://cefasfese.4pu.com/2730731738736/Pieces-of-the-Heart-by-Karen-White.pdf
    • http://cefasfese.4pu.com/2732738733733732/Searching-for-Whitopia-An-Improbable-Journey-to-the-Heart-of-White-America-by-Rich-Benjamin.pdf
    • http://cefasfese.4pu.com/4733739737734736/All-Souls-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/2738739738735/The-Next-Chapter-by-Javier-A-Robayo.pdf
    • http://cefasfese.4pu.com/1739730738736736/The-Man-of-Feeling-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/5735736738730733/El-Ultimo-Sue-no-de-Al-andalus-by-Javier-Semprun.pdf
    • http://cefasfese.4pu.com/3738738739734734/The-Secret-Supper-by-Javier-Sierra.pdf
    • http://cefasfese.4pu.com/7739730737739/The-Lady-in-Blue-by-Javier-Sierra.pdf
    • http://cefasfese.4pu.com/5737738735733732/Toledo-by-Francisco-Javier-Parcerisa.pdf
    • http://cefasfese.4pu.com/1734739733738732/The-Secret-Supper-by-Javier-Sierra.pdf
    • http://cefasfese.4pu.com/8732733733737734/Violence-at-the-Urban-Margins-by-Javier-Auyero.pdf
    • http://cefasfese.4pu.com/8738733733731730/Mein-Herz-so-wei-by-Javier-Mar-as.pdf
    • http://cefasfese.4pu.com/4733736735731734/Ndura-Son-of-the-forest-by-Javier-Salazar-Calle.pdf
    • http://cefasfese.4pu.com/2737739734730736/Flight-of-the-White-Wolf-Heart-of-the-Wolf-24-by-Terry-Spear.pdf
    • http://cefasfese.4pu.com/7738731734734/Spanish-with-Ease-by-Francisco-Javier-Ant-n-Mart-nez.pdf
    • http://cefasfese.4pu.com/1730731732733736/Poison-Shadow-and-Farewell-Your-Face-Tomorrow-3-by-Javier-Mar-as.pdf

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