MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a redirector link disguised as a tax calculation document. The primary malicious link, https://ttraff.cc/pify?keyword=calculation+of+income+tax+for+ay+2020+19+pdf, is designed to redirect users to potentially harmful content. The ML classifier strongly indicates maliciousness, and the presence of numerous external links, many hosted on Shopify, suggests a link farm used for SEO poisoning or distributing further payloads.
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=calculation+of+income+tax+for+ay+2020+19+pdf
- http://dexik.bhpslibrary.com/uploads/1/3/1/3/131380600/7610a76930.pdf
- http://files.sunnydoggrooming.com/uploads/1/3/1/3/131398184/zogenulakap_nusowip_wijelaviral_vofifajatav.pdf
- http://files.tracy-buchanan.com/uploads/1/3/1/4/131454492/d858e.pdf
- http://files.bmwclubulstersection.com/uploads/1/3/1/4/131411762/0c7f0f1bad22.pdf
- https://cdn.shopify.com/s/files/1/0430/9362/2935/files/jituposatuzax.pdf
- https://cdn.shopify.com/s/files/1/0433/7188/8803/files/dokor.pdf
- https://cdn.shopify.com/s/files/1/0428/4085/0598/files/xiserofep.pdf
- https://cdn.shopify.com/s/files/1/0430/1943/6185/files/deroz.pdf
- https://cdn.shopify.com/s/files/1/0430/4103/0293/files/letiligukerova.pdf
- https://cdn.shopify.com/s/files/1/0436/9219/5993/files/26751138801.pdf
- https://cdn.shopify.com/s/files/1/0429/8260/4963/files/5280334093.pdf
- https://cdn.shopify.com/s/files/1/0432/3124/8539/files/nesabogo.pdf
- https://cdn.shopify.com/s/files/1/0433/9073/0405/files/genasebufita.pdf
- https://cdn.shopify.com/s/files/1/0429/5059/0627/files/visa_brand_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0432/6332/8411/files/5503008046.pdf
- https://cdn.shopify.com/s/files/1/0430/7202/8823/files/77099977584.pdf
- https://cdn.shopify.com/s/files/1/0439/6112/2974/files/92079834976.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_off00006230.bind58e9d537d16152eb61940220879a1bfcb483a8f3a1554f8513c0c1869c6d0c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6230 | 5680 bytes |
font_01_sfnt_off00007581.bince5c57067c494f2167823a8f3cb15322a953c9cd31cfa634698e043d6ce6e8ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7581 | 12680 bytes |
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