MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, identified as a 'PDF link farm'. One of these links, 'https://ttraff.cc/pify?keyword=animal+biotechnology+research+papers+pdf', points to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and does not provide clear textual lures.
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=animal+biotechnology+research+papers+pdf
- http://files.sparkybuddy.com/uploads/1/3/1/3/131398259/5146045.pdf
- http://files.greatbooksgreatdeals.com/uploads/1/3/0/7/130740571/fujojaw_nirotagewebutoz.pdf
- http://files.tugcekarapinar.com/uploads/1/3/1/3/131379312/80fc8.pdf
- http://files.castrovilleconservationsociety.net/uploads/1/3/1/6/131606115/3836910.pdf
- http://files.sparkybuddy.com/uploads/1/3/1/3/131398259/5146045
- https://cdn.shopify.com/s/files/1/0431/3258/4098/files/dosowamufubafojiribe.pdf
- https://cdn.shopify.com/s/files/1/0430/6213/2897/files/78037513355.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mobisibat.pdf
- https://cdn.shopify.com/s/files/1/0438/0642/5249/files/8272723302.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/54989213133.pdf
- https://cdn.shopify.com/s/files/1/0429/5049/2316/files/fanatojanidetepulup.pdf
- https://cdn.shopify.com/s/files/1/0441/3744/7576/files/96748248709.pdf
- https://cdn.shopify.com/s/files/1/0435/1823/0688/files/83760543303.pdf
- https://cdn.shopify.com/s/files/1/0429/5809/4495/files/falamivumedusexuna.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_off00007b48.bina7224c0ff3ff9576f57e37d94b964a0cc4282ccabc55e729accc6fc66a3ac954 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B48 | 5588 bytes |
font_01_sfnt_off00008e0f.bincead5297493f7d0598495c74d223966d8c316961f668646062963da1aa2c7adc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E0F | 10392 bytes |
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