MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a prominent URL pointing to a redirector, suggesting a lure to external malicious content. No scripts were extracted, but the PDF structure itself is weaponized to deliver malicious links.
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=bsc+math+calculus+book+pdf
- http://files.simixlaundrydetergent.com/uploads/1/3/1/3/131380001/9599450.pdf
- http://files.oliosmarket.com/uploads/1/3/2/7/132740637/ruxofodoz-lumupasoz.pdf
- http://files.pelsonfamily.com/uploads/1/3/1/3/131384414/zozep-lofimejetoki-muzasawalub.pdf
- http://files.apostlerontoliver.com/uploads/1/3/1/3/131380107/757c318efc7d.pdf
- https://cdn.shopify.com/s/files/1/0437/8463/4530/files/43639114485.pdf
- https://cdn.shopify.com/s/files/1/0437/2915/8295/files/26604791788.pdf
- https://cdn.shopify.com/s/files/1/0439/8897/5774/files/65647450525.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9335/files/15335398505.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29876283886.pdf
- https://cdn.shopify.com/s/files/1/0432/7519/0430/files/9374694738.pdf
- https://cdn.shopify.com/s/files/1/0434/4463/3756/files/anatomy_and_physiology_2_final_exam.pdf
- https://cdn.shopify.com/s/files/1/0432/3137/9619/files/38786808486.pdf
- https://cdn.shopify.com/s/files/1/0437/4131/5223/files/7553604571.pdf
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/zabuwuzeragezasazob.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_off0000531e.bin09d2187774eed400ac64a5067b591d80bdb7d9de21752788bfe0f9e7db8e94a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x531E | 5552 bytes |
font_01_sfnt_off000065da.binc3f959ce8647537b6ecd154c102a03503de126fa0c6708c282b2b273ddf2d61e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65DA | 9948 bytes |
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