MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass of external links, many pointing to Shopify-hosted PDFs, and one critical link to a known malicious redirector. This suggests a tactic to manipulate search engine results or to distribute further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=adobe+audition++trial
- http://kubezipaj.indianairmails.com/uploads/1/3/1/4/131437774/8407240.pdf
- http://files.m-c-ryan.com/uploads/1/3/0/7/130775009/desal.pdf
- http://files.controlcover.com/uploads/1/3/1/0/131071067/bobawolo_femepomufetu_pituli.pdf
- http://nagumowe.46oakcandles.com/uploads/1/3/1/0/131070859/7560442.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5448/7957/files/subject_relative_clauses_exercises.pdf
- https://cdn.shopify.com/s/files/1/0427/4274/3207/files/vipadejefokufijabisirep.pdf
- https://cdn.shopify.com/s/files/1/0445/4429/5076/files/linux_restart_network.pdf
- https://cdn.shopify.com/s/files/1/0430/8900/2653/files/mopakolo.pdf
- https://cdn.shopify.com/s/files/1/0431/0971/2021/files/zifugidiwobinajanus.pdf
- https://cdn.shopify.com/s/files/1/0431/7675/5349/files/14871324216.pdf
- https://cdn.shopify.com/s/files/1/0439/1036/5339/files/statistical_modelling_in_pharmaceutical_research_and_development.pdf
- https://cdn.shopify.com/s/files/1/0437/8315/9969/files/24272195111.pdf
- https://cdn.shopify.com/s/files/1/0433/7578/8190/files/gewanawijewijezi.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ad4.bin69f3233885773d8b7d1c5fac6899226955b6f25dd34c94488f1c7950a0f383c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AD4 | 4768 bytes |
font_01_sfnt_off00006b14.bin61b46bd2910bb1865e53eb1a45710b071b2501d5c4f190ba0a98081c164514d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B14 | 10296 bytes |
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