Malicious PDF — malware analysis report

Static analysis result for SHA-256 e87a61a9d78f8921…

MALICIOUS

PDF

16.4 KB Created: 2019-05-03 22:41:26 +01:00 Authoring application: mPDF 5.7
MD5: 8457d098bd72ffbdb45da8d7a4aa91d5 SHA-1: e477feb5f231154826708b6d61cdecf54be64c79 SHA-256: e87a61a9d78f89214a9dcb5622c01447efb12835489ce691ff26a3c5f2d26a81
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file was identified as malicious due to a critical heuristic firing for a large number of external links. These links, predominantly hosted on 'cefasfese.4pu.com', suggest a link farm or redirection scheme designed to lure users to potentially harmful content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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.com/9738736737733733/Das-B-se-in-euch-by-Rhena-Weiss.pdf
    • http://cefasfese.4pu.com/9739739731738737/Murder-in-Gotham-Weiss-amp-Weiss-2-by-Isidore-Haiblum.pdf
    • http://cefasfese.4pu.com/6732738734737730/F-rchtet-euch-nicht-Penryn-amp-the-End-of-Days-1-by-Susan-Ee.pdf
    • http://cefasfese.4pu.com/1730739732731731733/Mahlzeit-Ich-zeige-Euch-wo-Ihr-in-Havana-gut-essen-k-nnt-by-Dirk-Wieth-chter.pdf
    • http://cefasfese.4pu.com/1730730737733735734/Bevor-wir-euch-verlassen-Botschaften-der-Wale-und-Delfine-an-die-Menschen-by-Patricia-Cori.pdf
    • http://cefasfese.4pu.com/1731739730732732735/-bis-der-Tod-euch-scheidet-Erinnerungen-an-mein-gl-ckliches-Zusammenleben-mit-Josi-by-Hans-Derichs.pdf
    • http://cefasfese.4pu.com/1731739731730736739/Scent-of-Rainbow-Und-Todlichem-Schrecken-Gebe-Ich-Euch-Preis-by-Katharina-Emilie-Sachs.pdf
    • http://cefasfese.4pu.com/9739739732731737/Crescendo-by-Amy-Weiss.pdf
    • http://cefasfese.4pu.com/1736730735736/Outlanders-by-Theodore-Weiss.pdf
    • http://cefasfese.4pu.com/8732732736732739/Espaces-by-Joseph-W-Weiss.pdf
    • http://cefasfese.4pu.com/1736734739734738/The-Aesthetics-of-Resistance-Vol-1-by-Peter-Weiss.pdf
    • http://cefasfese.4pu.com/3732737734735737/Stealing-the-Bachelor-by-Sonya-Weiss.pdf
    • http://cefasfese.4pu.com/7730733733734739/Maude-and-Sally-by-Nicki-Weiss.pdf
    • http://cefasfese.4pu.com/3739737739739732/Marat-Sade-by-Peter-Weiss.pdf
    • http://cefasfese.4pu.com/9739739730737738/Getting-Started-in-Consulting-by-Alan-Weiss.pdf
    • http://cefasfese.4pu.com/3733730738730739/Mirrors-of-Time-by-Brian-L-Weiss.pdf
    • http://cefasfese.4pu.com/1730730734736732739/Albtraum---Tod-eines-Kindes-by-K-J-Weiss.pdf
    • http://cefasfese.4pu.com/2736736734730734/If-the-Creek-Don-t-Rise-by-Leah-Weiss.pdf
    • http://cefasfese.4pu.com/9739739732737734/Naked-Came-I-A-Novel-Of-Rodin-by-David-Weiss.pdf
    • http://cefasfese.4pu.com/2736739733734732/The-Dogist-Puppies-by-Elias-Weiss-Friedman.pdf
    • http://cefasfese.4pu.com/1731739731730736739/Scent-of-

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