MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute malicious content. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=a+ladder+to+the+sky+john+boyne+pdf'. The document body, though heavily obfuscated, contains this same URL, indicating it is the primary malicious payload delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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 https://ttraff.ru/pify?keyword=a+ladder+to+the+sky+john+boyne+pdf
- http://files.nycridingacademy.org/uploads/1/3/1/3/131381352/353600359c5d26.pdf
- http://files.kreativekael.com/uploads/1/3/0/8/130813747/e7507.pdf
- http://files.tidytimeservices.com/uploads/1/3/0/8/130874522/jijojebobazejij.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6624/files/54146831345.pdf
- https://cdn.shopify.com/s/files/1/0429/5992/9503/files/parvana_full_book.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/kopopoxuboxaverefojajupuw.pdf
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/59807470043.pdf
- https://cdn.shopify.com/s/files/1/0434/2539/8945/files/jerixanajimopupisafinunux.pdf
- https://cdn.shopify.com/s/files/1/0433/9276/2006/files/technical_interview_questions_on_java_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0438/2821/5968/files/neet_biology_practice_papers.pdf
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/use_boxmen_level_7.pdf
- https://cdn.shopify.com/s/files/1/0436/2724/9826/files/20441359622.pdf
- https://cdn.shopify.com/s/files/1/0431/8461/9681/files/xipazotogopefusokig.pdf
- https://cdn.shopify.com/s/files/1/0433/5671/7205/files/learn_french_language.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/7093209195.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008680.bin5c58bb59b02b9f5a871e7f0e7332df3429ad1f73f529280862e8f5b855bded11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8680 | 5500 bytes |
font_01_sfnt_off00009934.binfa3690833a49683494db50acf6b4bcf928bcc777d74fc11c4be5d524203fdacb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9934 | 10652 bytes |
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