Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c8dd50b4f400ad7…

MALICIOUS

PDF

31.9 KB Created: 2019-11-07 22:29:18 +00:00 Authoring application: mPDF 5.7
MD5: 6d6fbfb12c762a1e1de6636003e6b3d8 SHA-1: bf7e5487d1ceed304fe56124b8bd4789093d8c48 SHA-256: 3c8dd50b4f400ad7202ec8419888142066ca7e249298713c1e0071706682e270
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a link farm with 32 external links, many of which are to PDFs with numeric slugs. This technique is often used to manipulate search engine rankings or to distribute malicious content. No scripts were extracted from this sample, and the document body was heavily obfuscated, 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/8734733739731731/Porcelaine-Dog-Activities-Porcelaine-Dog-Tricks-Games-amp-Agility-Includes-Porcelaine-Dog-Beginner-to-Advanced-Tricks-Fun-Games-Agility-amp-More-by-Alan-Newman.pdf
    • http://cefasfese.4pu.com/1730730737733737734/Affen-Tzu-Activities-Affen-Tzu-Tricks-Games-amp-Agility-Includes-Affen-Tzu-Beginner-to-Advanced-Tricks-Fun-Games-Agility-amp-More-by-Keith-Greene.pdf
    • http://cefasfese.4pu.com/8734733737734737/Porcelaine-Guide-Porcelaine-Guide-Includes-Porcelaine-Training-Diet-Socializing-Care-Grooming-Breeding-and-More-by-Jack-Murray.pdf
    • http://cefasfese.4pu.com/8734734730734730/Traita-c-de-Peintures-Vitrifiables-Sur-Porcelaine-Dure-Et-Porcelaine-Tendre-Sur-A-c-Mail-A-c-Mail-Genre-Limoges-A-c-Mail-or-Grava-c-Faaence-Grand-Feu-Sur-A-c-Mail-Et-Sous-A-c-Mail-by-Delphine-De-Cool.pdf
    • http://cefasfese.4pu.com/7736731733738738/DRAGONVILLE-T-01-PORCELAINE-by-Mich-le-Plomer.pdf
    • http://cefasfese.4pu.com/8734733739731737/Porcelaine-Des-Compagnies-Des-Indes-a-Decor-Occidental-by-Francois-Hervouet.pdf
    • http://cefasfese.4pu.com/1730730737733732737/Affen-Tzu-Training-Guide-Affen-Tzu-Training-Book-Features-Affen-Tzu-Housetraining-Obedience-Training-Agility-Training-Behavioral-Training-Tricks-and-More-by-Kathy-Patterson.pdf
    • http://cefasfese.4pu.com/8734734730733736/Peindre-sur-porcelaine-Animaux-v-g-taux-motifs-graphiques-et-enfantins-by-Marie-Lev-que.pdf
    • http://cefasfese.4pu.com/1730736739739737730/Therapy-Games-Creative-Ways-to-Turn-Popular-Games-Into-Activities-That-Build-Self-Esteem-Teamwork-Communication-Skills-Anger-Management-Self-Discovery-and-Coping-Skills-by-Alanna-Jones.pdf
    • http://cefasfese.4pu.com/5736738734736735/102-ESL-Games-and-Activities-for-Kids-ESL-Activities-for-Children-ESL-Resources-for-New-and-Prospective-Teachers-Book-3-by-Miles-Jaworski.pdf
    • http://cefasfese.4pu.com/6735733731731738/Donations-Pierre-Et-Lison-Jourdan-Barry-Marseille-Moustiers-Faience-Porcelaine-Musee-de-La-Faience-Chateau-Pastre-26-Mars-16-Septembre-1999-by-Pierre-Jourdan-Barry.pdf
    • http://cefasfese.4pu.com/8734733739738730/Edouard-Marcel-Sandoz-1881-1971-de-La-Sculpture-a-la-Porcelaine-by-Edouard-Marcel-Sandoz.pdf
    • http://cefasfese.4pu.com/8739730734738738/Weight-Loss-Beginner-s-Guide-To-Smart-Points-The-Best-Proven-Tips-Tricks-amp-Recipes-To-Simple-Start-by-Natalie-Kordon.pdf
    • http://cefasfese.4pu.com/5735734733734730/Everyone-Wins-Cooperative-Games-and-Activities-by-Josette-Luvmour.pdf
    • http://cefasfese.4pu.com/7736734734732730/51-Interactive-Fun-Games-amp-Activities-for-Teaching-English-by-Nadya.pdf
    • http://cefasfese.4pu.com/1731734733735738738/Duct-Tape-Teambuilding-Games-50-Fun-Activities-To-Help-Your-Team-Stick-Together-by-Tom-Heck.pdf
    • http://cefasfese.4pu.com/8737736738739732/The-Everything-Kids-Math-Puzzles-Book-Brain-Teasers-Games-and-Activities-for-Hours-of-Fun-by-Meg-Clemens.pdf
    • http://cefasfese.4pu.com/3737737730730732/V-Games-Fresh-From-The-Grave-The-Vampire-Games-Trilogy-2-by-Caroline-Peckham.pdf
    • http://cefasfese.4pu.com/1730739735732731739/Computer-Games-and-New-Media-Cultures-A-Handbook-of-Digital-Games-Studies-by-Fromme-Johannes.pdf
    • http://cefasfese.4pu.com/5735735733733734/Sleepover-Unofficial-Jennifer-Lawrence-Trivia-Games-What-is-your-Hunger-Games-IQ-Book-1-by-A-M-Rice.pdf
    • http://cefasfese.4pu.com/873