MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm of 15 external PDF links, with the primary link directing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the primary malicious URL and several benign-looking Shopify URLs, likely used to obscure the malicious intent. No scripts were extracted from this sample.
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/wix?keyword=reality+fighters+trophy+guide
- https://cdn.shopify.com/s/files/1/0434/2710/2887/files/ruziwuzewodatap.pdf
- https://cdn.shopify.com/s/files/1/0433/9286/0327/files/riluvi.pdf
- https://cdn.shopify.com/s/files/1/0431/8281/7441/files/.pdf
- https://cdn.shopify.com/s/files/1/0436/0886/6974/files/year_3_maths_curriculum_2018_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0433/2827/4585/files/sewedukipexor.pdf
- https://static.usrfiles.com/ugd/b8c837_9757a9fd410f454e90d91bf7c36e36fc.pdf
- https://static.usrfiles.com/ugd/6f9b04_a98f82315d894c4bbae668ba599e0ab7.pdf
- https://static.usrfiles.com/ugd/b8c837_a292157288c34cb6a8fde7ba316f5abb.pdf
- https://static.usrfiles.com/ugd/e5412a_42ac7af3b7f544ce9e419c9707bb8bdf.pdf
- https://static.usrfiles.com/ugd/b8c837_c73b640a1b314033a10e4d1afbca21dc.pdf
- https://cdn.shopify.com/s/files/1/0435/7039/7339/files/bodhai_kodhai_movie_songs.pdf
- https://cdn.shopify.com/s/files/1/0431/8173/6096/files/barashada_english_somali.pdf
- https://static.usrfiles.com/ugd/b47706_92478e01be544e3f9b8911a1dea02afa.pdf
- https://static.usrfiles.com/ugd/de65f7_27fe3fae8abf4f2ba94a24b214cdd681.pdf
- https://static.usrfiles.com/ugd/d7ba0f_5f24c991c8e247d5881e4e0e0f7eda0f.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_off00004689.bin99e8baddf9f5003af303cedf28a0d8e44f9531bc11eb341c096beee60df58fbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4689 | 5412 bytes |
font_01_sfnt_off000058f5.bin4b5d349ff403e412a5ce4dad771e7f65b23273db96af7e9b9aed32d0886b3da8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58F5 | 9632 bytes |
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