MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains embedded links that are part of a link farm, with one critical link identified as a malicious redirector. The document body, though obfuscated, contains text referencing 'Fitbit versa apps for android' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly indicates maliciousness.
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=fitbit+versa+apps+for+android
- http://kebin.samchaseyoga.com/uploads/1/3/1/3/131398428/2679141.pdf
- http://gagak.alabamacentralrailway.com/uploads/1/3/1/6/131637814/589c64f.pdf
- http://files.serenaremy.com/uploads/1/3/0/8/130814676/7892436.pdf
- http://files.gooddogkennelstt.com/uploads/1/3/0/7/130776110/1251171.pdf
- https://cdn.shopify.com/s/files/1/0450/7149/9416/files/golijikabijopejepe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98690712505.pdf
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/best_self_help_books_download.pdf
- https://cdn.shopify.com/s/files/1/0434/0377/2056/files/52422542104.pdf
- https://cdn.shopify.com/s/files/1/0433/9027/1638/files/katapa.pdf
- https://cdn.shopify.com/s/files/1/0440/4730/2806/files/89401641601.pdf
- https://cdn.shopify.com/s/files/1/0433/3859/6510/files/dibevopadakavanesezopoji.pdf
- https://cdn.shopify.com/s/files/1/0432/5064/7202/files/ar._js_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0434/1625/6677/files/18204650326.pdf
- https://cdn.shopify.com/s/files/1/0431/9323/7665/files/36509347226.pdf
- https://cdn.shopify.com/s/files/1/0432/0873/6936/files/nozoguzoduwituxado.pdf
- https://cdn.shopify.com/s/files/1/0434/7052/0470/files/2496886091.pdf
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/nuxujoleritesalufix.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_off00008f10.binc801ab9937eea0d8b580f6522db799e011b54a4cf8f7b0756f2546bb56e263c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F10 | 5160 bytes |
font_01_sfnt_off0000a0b1.bin7e045a8c40aab47e1b73dd8e654b4f14b705d5e5df09bea0c5f17318809f3950 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0B1 | 10772 bytes |
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