Malicious PDF — malware analysis report

Static analysis result for SHA-256 daba2a36a713bb6f…

MALICIOUS

PDF

21.9 KB Created: 2020-03-15 09:45:11 +00:00 Authoring application: mPDF 5.7
MD5: 6c9f31b81db5c8ca12615c39ccb08087 SHA-1: 149801bfbe4b9286387d5374cec021721ed51540 SHA-256: daba2a36a713bb6f050a477387dbc3123e29b04b2506b7ba05f4b34b1e5a3e03
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicates maliciousness. The primary attack pattern appears to be SEO manipulation or redirection to potentially malicious sites via these numerous links. No scripts were extracted, limiting further analysis of direct payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://ujcsiniio.myhome.cx/9cd5cd0cd8cd5cd0/Tot-verkauft-s-sich-besser-by-Sabine-Herzig.pdf
    • http://ujcsiniio.myhome.cx/9cd5cd0cd9cd2cd9/Sales-Balance-Ausgewogen-verkauft-besser-by-MATTHIAS-KREIDLER.pdf
    • http://ujcsiniio.myhome.cx/9cd6cd7cd1cd9cd5/Und-so-willst-du-rumlaufen-Gespr-che-zwischen-M-ttern-und-T-chtern---So-verstehen-sie-sich-besser-by-Deborah-Tannen.pdf
    • http://ujcsiniio.myhome.cx/8cd6cd0cd9cd2cd1/Einfach-typisch-f-r-Paare-so-lernen-Sie-Ihren-Partner-und-sich-selbst-besser-verstehen-by-Florence-Littauer.pdf
    • http://ujcsiniio.myhome.cx/8cd6cd1cd1cd8cd5/In-Balance-mit-Sch-ler-Salzen-Sch-lern-Sie-sich-gesund---Am-Gesicht-erkennen-welche-Salze-Ihnen-fehlen-by-Sabine-Wacker.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd3cd7cd9cd4cd2/Bis-hierher-und-nicht-weiter-Wie-Sie-sich-zentrieren-Grenzen-setzen-und-gut-f-r-sich-sorgen---Mit-Test-Wie-gut-k-nnen-Sie-sich-abgrenzen-by-Rolf-Sellin.pdf
    • http://ujcsiniio.myhome.cx/2cd5cd5cd0cd0cd1/Captured-at-Sabine-The-True-Account-of-a-Union-POW-After-the-Battle-of-Sabine-Pass-II-by-Stephen-Wright.pdf
    • http://ujcsiniio.myhome.cx/9cd7cd5cd2cd4cd2/Besser-einfach---einfach-besser-Das-Haushaltssurvival-Buch-by-Bianka-Bleier.pdf
    • http://ujcsiniio.myhome.cx/5cd8cd4cd5cd2cd0/Sabine-Book-One-of-the-Sabine-Trilogy-by-Phyllis-H-Moore.pdf
    • http://ujcsiniio.myhome.cx/7cd1cd4cd0cd1/Sabine-s-Notebook-Griffin-amp-Sabine-2-by-Nick-Bantock.pdf
    • http://ujcsiniio.myhome.cx/4cd2cd7cd1cd9cd7/Bronco-Busters-by-Alison-Cragin-Herzig.pdf
    • http://ujcsiniio.myhome.cx/7cd3cd2cd7cd6cd7/Was-sich-neckt-das-k-sst-sich-by-Susan-Mallery.pdf
    • http://ujcsiniio.myhome.cx/1cd0cd5cd7cd4cd4cd7/Chinesische-Alltagssprache-Schnell-Gelernt---Basiss-tze-Gr-en---Verabschiedung---Sich-bedanken---Sich-entschuldigen---Komplimente---Zustimmung---Missbilligung-by-Jianfei-Ma.pdf
    • http://ujcsiniio.myhome.cx/3cd1cd8cd1cd5cd6/Griffin-amp-Sabine-An-Extraordinary-Correspondence-Griffin-amp-Sabine-1-by-Nick-Bantock.pdf
    • http://ujcsiniio.myhome.cx/5cd8cd4cd4cd1cd7/Back-to-Bayou-Sabine-The-Bayou-Sabine-Series-2-by-Lauren-Faulkenberry.pdf
    • http://ujcsiniio.myhome.cx/3cd7cd5cd5cd3/Griffin-and-Sabine-Griffin-amp-Sabine-1-by-Nick-Bantock.pdf
    • http://ujcsiniio.myhome.cx/9cd5cd0cd7cd9cd5/Verkauft-by-Julia-von-Finkenbach.pdf
    • http://ujcsiniio.myhome.cx/9cd5cd0cd7cd9cd4/Verkauft-2-by-Julia-von-Finkenbach.pdf
    • http://ujcsiniio.myhome.cx/9cd5cd0cd7cd8cd8/Verkauft-by-Alexander-Weigand-Schoenherr.pdf
    • http://ujcsiniio.myhome.cx/9cd5cd1cd0cd1cd8/Verkauft-an-den-Barbaren-by-Abella-Ward.pdf
    • http://ujcsiniio.myhome

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