Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f4c0be3ab515eff…

MALICIOUS

PDF

32.9 KB Created: 2019-05-01 17:05:52 +01:00 Authoring application: mPDF 5.7
MD5: ba1da487e734f36050ab63db2aba6d7b SHA-1: 18ea9ea9cfda2e2efcd4e1f41fea8334e0a6e321 SHA-256: 8f4c0be3ab515effd64dd9ee4cd22ef86230437411d111b26982c4efcd383abc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing:Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links pointing to external PDF files hosted on a dynamic DNS domain. This pattern is indicative of a link farm or SEO poisoning attack, designed to drive traffic to malicious or low-quality content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9896

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://loaminoo.linkpc.net/9099092090091096/Pocket-Guide-to-Collecting-Movies-on-DVD-Building-an-Essential-Movie-Collection-With-Information-on-the-Best-DVD-Extras-Supplements-and-Special-Features-and-the-Best-DVDs-for-Kids-by-Steven-Scheuer.pdf
    • http://loaminoo.linkpc.net/9099091098095099/Movies-on-TV-88--89-by-Steven-Scheuer.pdf
    • http://loaminoo.linkpc.net/9099091099092092/Movies-on-TV-1984-1985-by-Steven-H-Scheuer.pdf
    • http://loaminoo.linkpc.net/4094099097098099/SPECIAL-FEATURES-Short-Takes-on-Pop-Culture-from-Androids-to-Zombies-by-Walter-Greatshell.pdf
    • http://loaminoo.linkpc.net/9097098099090098/What-to-Feed-Your-Baby-A-Pediatrician-s-Guide-to-the-11-Essential-Foods-to-Guarantee-Veggie-Loving-No-Fuss-Healthy-Eating-Kids-by-Tanya-Altmann.pdf
    • http://loaminoo.linkpc.net/7092093099099090/Competing-with-Information-A-Manager-s-Guide-to-Creating-Business-Value-with-Information-Content-by-Marchand.pdf
    • http://loaminoo.linkpc.net/2095096097091097/Movie-Made-America-A-Cultural-History-of-American-Movies-by-Robert-Sklar.pdf
    • http://loaminoo.linkpc.net/1090093090091091/The-Wimpy-Kid-Movie-Diary-How-Greg-Heffley-Went-Hollywood-The-Story-of-all-Three-Movies-by-Jeff-Kinney.pdf
    • http://loaminoo.linkpc.net/9097093096090094/Supplements-For-Athletes-Using-Nutritional-Supplements-To-Maximize-Athletic-Performance-by-David-Prokop.pdf
    • http://loaminoo.linkpc.net/9095096097099096/A-Guide-to-Coin-Collecting-A-Guide-to-Buying-Selling-and-Finding-coins-online-by-Daniel-Rabinovici.pdf
    • http://loaminoo.linkpc.net/1091093097096090098/Building-Bridges-Organizations-Information-amp-Competitiveness-by-R-D-Galliers.pdf
    • http://loaminoo.linkpc.net/3091093097090098/Stories-For-Kids-amp-Teens-Includes-16-Original-Stories-with-Covers-Funny-Kids-Stories-Childrens-Book-Bundle-Animals-Character-Building-Lessons-by-Betty-J-Byers.pdf
    • http://loaminoo.linkpc.net/3094092091092093/Building-Green-A-Complete-How-To-Guide-to-Alternative-Building-Methods-Earth-Plaster-Straw-Bale-Cordwood-Cob-Living-Roofs-by-Clarke-Snell.pdf
    • http://loaminoo.linkpc.net/9099099090092096/Building-Information-Modeling-Application-in-Design_bid_build-Projects-by-Sanei-Sistani-Navid.pdf
    • http://loaminoo.linkpc.net/3092092094096095/Ordering-From-The-Cosmic-Kitchen-The-Essential-Guide-to-Powerful-Nourishing-Affirmation-The-Essential-Guide-to-Powerful-Nourishing-Affirmations-by-Patricia-J-Crane.pdf
    • http://loaminoo.linkpc.net/1091090094093095097/The-Book-of-Supplement-Secrets-A-Beginner-s-Guide-to-Nutritional-Supplements-by-Tim-Mielke.pdf
    • http://loaminoo.linkpc.net/9098098098099096/Complete-Guide-to-Camping-and-Wilderness-Survival-Backpacking-Equipment-and-Tools-Ropes-and-Knots-Boating-Tracking-Fire-Building-Building-Wildnerness-First-Aid-Rescue-by-Vin-T-Sparano.pdf
    • http://loaminoo.linkpc.net/1090092098095094091/Human-Genome-Epidemiology-2nd-Edition-Building-the-Evidence-for-Using-Genetic-Information-to-Improve-Health-and-Prevent-Disease-by-Muin-J-Khoury.pdf
    • http://loaminoo.linkpc.net/1090099095095096099/The-Wishing-Star-bed-time-story-Values-book-Adventure-amp-Education-Kids-books-Emotions-Feelings-Social-skills-for-kids-collection-Book-3-by-Lilach-Yitzhaki.pdf
    • http://loaminoo.linkpc.net/5097092093099096/The-Language-of-Emotional-Intelligence-The-Five-Essential-Tools-for-Building-Powerful-and-Effective-Relationships-by-Jeanne-Segal.pdf
    • http://loaminoo.linkpc.net/4094099097098099/SPECIAL-FEATURES-Short-Takes-on-Pop-Culture-from-Androids-to-Zombies-by-Walter-Greatshell.p

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