MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL and a reference to a Shopify domain hosting a PDF, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated maliciousness.
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.+s.+p+full+form+police
- http://files.brewwber.com/uploads/1/3/1/0/131069915/832800.pdf
- http://files.simplystylishfashionblog.com/uploads/1/3/2/6/132681969/falok.pdf
- http://nijabep.wooftapetshop.com/uploads/1/3/0/8/130874540/4288289.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7663/2217/files/foxufugibujem.pdf
- https://cdn.shopify.com/s/files/1/0433/4875/4600/files/kutty_movies_collection_tamil_dubbed_2019.pdf
- https://cdn.shopify.com/s/files/1/0431/7098/8196/files/78209732173.pdf
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/46886478239.pdf
- https://cdn.shopify.com/s/files/1/0431/5018/0503/files/anticresis_definicion.pdf
- https://cdn.shopify.com/s/files/1/0432/1614/2497/files/ink_ball_games.pdf
- https://cdn.shopify.com/s/files/1/0428/4468/4454/files/merge_sort_c.pdf
- https://cdn.shopify.com/s/files/1/0430/6364/0213/files/vertual_dj_7_pro.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/berataxilofisolitajasev.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_off0000587e.binfdc65eb01d66d670c3100cfb59d3362d5e66a5c7ad3577db39222807ffd38bf0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x587E | 4972 bytes |
font_01_sfnt_off00006955.bin27fbbf202a8bd918e2d536aadb57f589941257955eace32f1f7490f1d0d91249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6955 | 9848 bytes |
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