MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with the primary URL pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same redirector URL, suggesting a deliberate attempt to lure users to malicious content. The presence of a link farm further supports the attack pattern of redirecting users to potentially harmful sites.
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.com/pify?keyword=difference+between+c3+and+c4+plants+photosynthesis+pdf
- http://files.dalmatiner-von-kalina.com/uploads/1/3/1/6/131637316/jibiroxogup-gikubapikowo-kojasaxejubo.pdf
- http://files.michaelbogdanffykriegh.com/uploads/1/3/0/7/130739062/rowuvidebawide.pdf
- http://lajivif.californiazion.com/uploads/1/3/1/3/131383664/5db82ee44f.pdf
- http://files.summerjhb.com/uploads/1/3/1/3/131384643/patisikoxuziboni.pdf
- https://cdn.shopify.com/s/files/1/0431/8085/1364/files/11899451415.pdf
- https://cdn.shopify.com/s/files/1/0431/0361/7173/files/searchs_python.pdf
- https://cdn.shopify.com/s/files/1/0437/2555/3815/files/dulikulewes.pdf
- https://cdn.shopify.com/s/files/1/0434/5954/3192/files/90834482731.pdf
- https://cdn.shopify.com/s/files/1/0432/2282/7165/files/spanish_alphabet_list.pdf
- https://cdn.shopify.com/s/files/1/0437/1723/0741/files/c_max_heap.pdf
- https://cdn.shopify.com/s/files/1/0430/6809/6661/files/15905432602.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gowaluzefep.pdf
- https://cdn.shopify.com/s/files/1/0447/6112/0919/files/what_is_binwalk.pdf
- https://cdn.shopify.com/s/files/1/0437/6264/7189/files/53833697573.pdf
- https://cdn.shopify.com/s/files/1/0432/1997/6350/files/xufajeneli.pdf
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/vosugu.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_off000070a7.bin4eb25fbea3d5e48e4a14c885b70113fcbd6d03cf8517b072a9f9441e910f53b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A7 | 5828 bytes |
font_01_sfnt_off00008498.bin973f33ca8a514f363898510329a2915a108f07e39669364bf9a88962b807860e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8498 | 15072 bytes |
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