Malicious PDF — malware analysis report

Static analysis result for SHA-256 f286f1463f21e10c…

MALICIOUS

PDF

22.6 KB Created: 2019-04-30 18:00:34 +01:00 Authoring application: mPDF 5.7
MD5: b1690604a4b1f84d80d93ec8079ecd50 SHA-1: 7d0feaab6a43c9bee0afbfbdb162eb85015cf3ec SHA-256: f286f1463f21e10c40f7c63540b86f785fd019a4ca1041abd12001524eb55023
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly supports the malicious verdict. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

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://xiixmcuin.linkpc.net/1207209206205/Side-by-Side-Leadership-Achieving-Outstanding-Results-Together-by-Dennis-A-Romig.pdf
    • http://xiixmcuin.linkpc.net/6208202200202206/A-Midsummer-Nights-Dream-With-Side-By-Side-Modern-English-Translation-Shakespeare-Side-By-Side-Translation-Book-14-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/5204204204201208/Othello-In-Plain-and-Simple-English-Side-by-Side-5x8-Edition-by-William-Shakespeare.pdf
    • http://xiixmcuin.linkpc.net/4207200205205/The-Mirror-Crack-d-from-Side-to-Side-Miss-Marple-9-by-Agatha-Christie.pdf
    • http://xiixmcuin.linkpc.net/6206206200209201/The-Yellow-House-Vincent-Van-Gogh-and-Paul-Gauguin-Side-by-Side-by-Susan-Goldman-Rubin.pdf
    • http://xiixmcuin.linkpc.net/1206200207205202/The-Other-Side-The-Other-Side-Trilogy-Book-1-by-Anna-Marie-McIntyre.pdf
    • http://xiixmcuin.linkpc.net/3207207200201200/The-Human-Side-The-Demon-Side-2-by-Heaven-Liegh-Eldeen.pdf
    • http://xiixmcuin.linkpc.net/3208204205203201/Success-Is-a-Side-Effect-Leadership-Relationships-and-Selective-Amnesia-by-Monica-Frazier-Anderson.pdf
    • http://xiixmcuin.linkpc.net/9205207201202/Hair-Side-Flesh-Side-by-Helen-Marshall.pdf
    • http://xiixmcuin.linkpc.net/2208207209204202/Miss-Marple-Omnibus-Volume-2-A-Caribbean-Mystery-Pocket-Full-of-Rye-Mirror-Crack-d-from-Side-to-Side-They-Do-It-with-Mirrors-by-Agatha-Christie.pdf
    • http://xiixmcuin.linkpc.net/1206200206202209/The-Other-Side-The-Other-Side-1-by-Anna-Marie-McIntyre.pdf
    • http://xiixmcuin.linkpc.net/1200203200202201/The-Toyota-Way-to-Lean-Leadership-Achieving-and-Sustaining-Excellence-Through-Leadership-Development-by-Jeffrey-K-Liker.pdf
    • http://xiixmcuin.linkpc.net/9206203208204208/Mollie-Katzen-s-Vegetable-Heaven-Over-200-Recipes-for-Uncommon-Soups-Tasty-Bites-Side-By-Side-Dishes-and-Too-Many-Desserts-by-Mollie-Katzen.pdf
    • http://xiixmcuin.linkpc.net/1206208200209203/My-Side-of-the-Mountain-On-the-Far-Side-of-the-Mountain-by-Jean-Craighead-George.pdf
    • http://xiixmcuin.linkpc.net/9209200202209/The-Demon-Side-The-Demon-Side-1-by-Heaven-Liegh-Eldeen.pdf
    • http://xiixmcuin.linkpc.net/3207206209209209/Side-by-Side-Apart-by-Ann-Galvia.pdf
    • http://xiixmcuin.linkpc.net/6200203206208/NLP-Workbook-A-practical-guide-to-achieving-the-results-you-want-by-Joseph-O-39-Connor.pdf
    • http://xiixmcuin.linkpc.net/1207201200207209/The-Darker-Side-of-Cane-The-Darker-Side-of-Cane-1-by-Lacey-Alpha.pdf
    • http://xiixmcuin.linkpc.net/6202202201202206/Side-by-Side-Lado-a-lado-The-Story-of-Dolores-Huerta-and-Cesar-Chavez-La-historia-de-Dolores-Huerta-y-Cesar-Chavez-by-Monica-Brown.pdf
    • http://xiixmcuin.linkpc.net/4209208202208205/A-New-Brand-World-Eight-Principles-for-Achieving-Brand-Leadership-in-the-Twenty-First-Century-by-Scott-Bedbury.pdf
    • http://xiixmcuin.linkpc.net/320820420520320

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