MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which are designed to appear as benign resources but redirect to a malicious domain. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate that the primary purpose is to drive traffic to potentially harmful or spam-related websites. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=chinese+calligraphy+practice+paper+pdf
- http://files.devizesfinekitchenswiltshire.co.uk/uploads/1/3/0/7/130776406/lijodizivetof_wemomofiwu_nubekegezagaro.pdf
- http://files.phsboosters.org/uploads/1/3/1/4/131438180/d894aa6088690.pdf
- http://files.smwunlimited.com/uploads/1/3/0/9/130969313/7404020.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/0377/1041/files/48159527094.pdf
- https://cdn.shopify.com/s/files/1/0439/2904/3099/files/tajakimuwupexabeto.pdf
- https://cdn.shopify.com/s/files/1/0433/4790/2629/files/23953846013.pdf
- https://cdn.shopify.com/s/files/1/0428/5209/0022/files/57178413654.pdf
- https://cdn.shopify.com/s/files/1/0433/7218/3703/files/46412061624.pdf
- https://cdn.shopify.com/s/files/1/0429/2729/2582/files/60396922269.pdf
- https://cdn.shopify.com/s/files/1/0428/2440/1063/files/23579016139.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0304/files/94887047972.pdf
- https://cdn.shopify.com/s/files/1/0434/2392/4376/files/92003909152.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/79979683167.pdf
- https://cdn.shopify.com/s/files/1/0431/1970/6269/files/jadodizajinijep.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060be.bina0fce8a566b5283e1fbe011c2f37dad02ab7727951cfd03e0c71aedf340a6471 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60BE | 5424 bytes |
font_01_sfnt_off0000732e.bin3e1f1a65297241decf37f2d40ef32f15ed2ce5eaa3ade6ff296888aac19b7a22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x732E | 10540 bytes |
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