MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by an ML classifier and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector, and another noted a large link farm. The document body, though heavily obfuscated, contains the same redirector URL and a benign-looking PDF filename, suggesting a lure to a malicious site.
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/pify?keyword=beginner+elementary+test+pdf
- http://files.myuntoldpleasures.com/uploads/1/3/1/3/131398091/050874883345d.pdf
- http://files.ammoniteyarns.co.uk/uploads/1/3/0/7/130775658/vugegubupivig.pdf
- http://zajin.vocalbreeze.org/uploads/1/3/0/7/130776031/pujuda.pdf
- http://files.hilltaxis.co.uk/uploads/1/3/2/8/132814544/c9f648.pdf
- https://cdn.shopify.com/s/files/1/0430/3015/1330/files/pirubazitajonedu.pdf
- https://cdn.shopify.com/s/files/1/0445/2777/9999/files/n_acetilcistena_bula.pdf
- https://cdn.shopify.com/s/files/1/0430/9785/0017/files/dibixujusogokodiz.pdf
- https://cdn.shopify.com/s/files/1/0434/3077/2892/files/vimof.pdf
- https://cdn.shopify.com/s/files/1/0430/7556/7770/files/muwixasulusarasiwabuviv.pdf
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/harbor_breeze_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/8233/3851/files/80230308588.pdf
- https://cdn.shopify.com/s/files/1/0429/0471/5427/files/dolifisokesitow.pdf
- https://cdn.shopify.com/s/files/1/0435/1839/4523/files/artificial_intelligence_and_machine_learning_fundamentals.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_off000066d9.bindc21975ddcd82b2854ab7927c6c54f5b056459f0b888558a730809cde2e389ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D9 | 5512 bytes |
font_01_sfnt_off0000798d.bin3dced520909dab4a4785515d66f41c488280c33a5a1cff1046150c4870a240e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798D | 10644 bytes |
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