Malicious PDF — malware analysis report

Static analysis result for SHA-256 a75f34a9b5760e76…

MALICIOUS

PDF

32.9 KB Created: 2019-05-02 18:10:40 +01:00 Authoring application: mPDF 5.7
MD5: 184234c2f912845a74e4be7732a71e7e SHA-1: c190377447c5fd2177e68487570b8eeba2b01d47 SHA-256: a75f34a9b5760e7677ce29dc4c463fb2374d22e1d004e4fc7a885a6df814d0b5
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, masquerading as academic resources. This technique, identified as a PDF SEO link farm, is often used to drive traffic to malicious sites or to host further stages of an attack. While no scripts were extracted, the sheer volume of links suggests a coordinated effort to direct users to potentially harmful content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

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/1730733732732732733/Applying-Behavior-Analysis-Across-the-Autism-Spectrum-A-Field-Guide-for-New-Practitioners-by-Beth-Sulzer-Azaroff.pdf
    • http://cefasfese.4pu.com/2733737738736738/Autism-Spectrum-Disorders-The-Complete-Guide-to-Understanding-Autism-Asperger-s-Syndrome-Pervasive-Developmental-Disorder-and-Other-ASDs-by-Chantal-Sicile-Kira.pdf
    • http://cefasfese.4pu.com/6734738739736736/The-PRT-Pocket-Guide-Pivotal-Response-Treatment-for-Autism-Spectrum-Disorders-by-Robert-L-Koegel.pdf
    • http://cefasfese.4pu.com/8735738736738732/Hopes-and-Dreams-An-IEP-Guide-for-Parents-of-Children-with-Autism-Spectrum-Disorders-With-CDROM-by-Kirby-Lentz.pdf
    • http://cefasfese.4pu.com/9736732737737/Aspertools-The-Practical-Guide-for-Understanding-and-Embracing-Asperger-s-Autism-Spectrum-Disorders-and-Neurodiversity-by-Harold-Reitman.pdf
    • http://cefasfese.4pu.com/1738737732737/Lessons-from-the-Field-Applying-Appreciative-Inquiry-by-Sue-Annis-Hammond.pdf
    • http://cefasfese.4pu.com/1730739733734735738/Human-Finding-myself-in-the-autism-spectrum-by-Warren-Mayocchi.pdf
    • http://cefasfese.4pu.com/3737735733731737/Autism---What-Do-You-Need-To-Know-A-Parent-s-Guide-To-Autism-Causes-Diagnosis-and-Treatments-DSM-5-Ready-by-Raymond-Le-Blanc.pdf
    • http://cefasfese.4pu.com/1730733739738737735/Life-amp-Spectrum-A-Revealing-Look-at-High-Functioning-Autism-and-Asperger-s-Syndrome-by-C-G-Meloy.pdf
    • http://cefasfese.4pu.com/9737731737731739/Describing-the-adaptive-behavior-of-children-with-Down-syndrome-who-received-early-intervention-measured-by-the-Vineland-Adaptive-Behavior-Scales-A-trend-analysis-by-Molly-Sullivan-Taylor.pdf
    • http://cefasfese.4pu.com/3736732734736732/Chicken-Soup-for-the-Soul-Raising-Kids-on-the-Spectrum-101-Inspirational-Stories-for-Parents-of-Children-with-Autism-and-Asperger-s-by-Rebecca-Landa.pdf
    • http://cefasfese.4pu.com/9733736734731/Animals-in-Translation-Using-the-Mysteries-of-Autism-to-Decode-Animal-Behavior-by-Temple-Grandin.pdf
    • http://cefasfese.4pu.com/1730733732733730736/Sulzer-s-Short-Speeches-Carefully-Compiled-from-the-Records-of-Congress-with-Other-Official-Data-and-a-Brief-Biographical-Sketch-by-William-Sulzer.pdf
    • http://cefasfese.4pu.com/5733730734734738/Hunting-and-Gathering-by-Anna-Gavalda-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/6733737730736733/The-Elegance-of-the-Hedgehog-by-Muriel-Barbery-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/6730735735736739/What-the-Day-Owes-the-Night-by-Yasmina-Khadra-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/5732734730735736/Fear-and-Trembling-by-Am-lie-Nothomb-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/7738738730730738/Brain-Injury-and-Returning-to-Employment-A-Guide-for-Practitioners-by-Japp-James.pdf
    • http://cefasfese.4pu.com/7738737738731731/Brain-Injury-and-Returning-to-Employment-A-Guide-for-Practitioners-by-James-Japp.pdf
    • http://cefasfese.4pu.com/7733738733731730/Perfume-The-Story-of-a-Murderer-by-Patrick-S-skind-Book-Analysis-Detailed-Summary-Analysis-and-Reading-Guide-BrightSummaries-com-by-Bright-Summaries.pdf
    • http://cefasfese.4pu.com/8735738736738732/Hopes-and-Dreams-An-IEP-Guide-for-Parents-of-Children-with-Autism-Spectrum-Disorders-With-CDR

Open this report in the interactive analyzer, or submit your own file for analysis.