MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link that points to a URL known for malicious activity. The document body, though heavily obfuscated, contains the same malicious URL and numerous other URLs, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, and the PDF structure itself contained multiple embedded 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.cc/pify?keyword=vision+ias+current+affairs+august+2020+pdf+in+english
- http://files.nicolemarshallphotography.com/uploads/1/3/1/4/131438324/5517122.pdf
- http://files.sarahkyriazis.com/uploads/1/3/0/8/130813855/vasikegalenakexow.pdf
- http://files.clarencelam.com/uploads/1/3/0/7/130776462/mepapu.pdf
- http://files.intrepidresearch.org/uploads/1/3/1/0/131069859/kutafumales.pdf
- https://cdn.shopify.com/s/files/1/0429/2457/2835/files/25026054788.pdf
- https://cdn.shopify.com/s/files/1/0433/1179/2286/files/atomic_structure_chemistry_ncert.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4590/files/80892872224.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/saga_frontier_rom.pdf
- https://cdn.shopify.com/s/files/1/0436/2646/3385/files/tixosodasomivafoposu.pdf
- https://cdn.shopify.com/s/files/1/0431/1928/0288/files/71838436910.pdf
- https://cdn.shopify.com/s/files/1/0451/3621/6229/files/ubuntu_14._04_source_list.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/jenenotibaduzexilemu.pdf
- https://cdn.shopify.com/s/files/1/0440/4012/6629/files/85403757629.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/80034055325.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c7a.bin9dba1126e96ea3dffb6101b8396fb1dddbf9414d5f2ed9fb22f0b311cff522ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C7A | 5656 bytes |
font_01_sfnt_off00005fb1.bine25aacf30a3c17de9bca041731db961d7a00ddab3d2db849f6ead737f07d83c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB1 | 9936 bytes |
font_02_sfnt_off00008205.bin40d7b50bbc95d46a8a61317ebb9400810945c86ef3dc95aeeabc42da7040d483 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8205 | 3768 bytes |
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