MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector URL, which is a common tactic for delivering malware or phishing pages. The document body, though heavily obfuscated, contains the same redirector URL and several other URLs pointing to PDF files, suggesting a link farm or a lure to download further content. 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.cc/wb?keyword=asyndeton%20and%20polysyndeton%20worksheet
- http://merujaf.jocelynphotoblogs.co.uk/uploads/1/3/1/4/131453870/415008e7.pdf
- http://files.kraskoyarabians.com/uploads/1/3/2/6/132682640/0105e1a0e451653.pdf
- http://files.framedbytheword.com/uploads/1/3/2/7/132710630/kabetafakaxoga-kuzavani-xikugepu-miniralizapi.pdf
- https://cdn.shopify.com/s/files/1/0435/3091/1899/files/jim_stoppani_workouts.pdf
- https://cdn.shopify.com/s/files/1/0433/5324/3806/files/29651299261.pdf
- https://cdn.shopify.com/s/files/1/0436/0624/5539/files/architectural_drawing_checklist.pdf
- https://cdn.shopify.com/s/files/1/0435/5633/9861/files/mibodifawesekutuxobapazeg.pdf
- https://cdn.shopify.com/s/files/1/0431/3304/2839/files/herluf_bidstrup_book.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/fibonacci_sequence_javascript.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/10391748869.pdf
- https://cdn.shopify.com/s/files/1/0436/0388/6238/files/miperi.pdf
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/sql_format_amount_with_commas.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/never_be_alone_shawn_mendes_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0436/2466/1154/files/bootstrap_phylogeny.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_off00005c5b.bin8fc644e7c0a3f72708dab5cc5f08eb1098cdac70c5029475a3dd5de832807f1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5B | 5296 bytes |
font_01_sfnt_off00006e69.bin97aa7f58895c6bdd547f2b3bff7282f1db986a974d1f980207c0268f1b726889 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E69 | 10268 bytes |
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