MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting a tactic to manipulate search results or distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL.
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=dmards+list+pdf
- http://files.thevillage.space/uploads/1/3/1/3/131380985/9d8418467.pdf
- https://cdn.shopify.com/s/files/1/0435/9333/4947/files/9659308467.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/15353943577.pdf
- https://cdn.shopify.com/s/files/1/0434/6504/8214/files/70423916815.pdf
- https://cdn.shopify.com/s/files/1/0429/4279/1839/files/destination_b2_grammar_and_vocabulary_with_answer_key_chomikuj.pdf
- https://cdn.shopify.com/s/files/1/0461/9206/6709/files/larasi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65496272691.pdf
- https://cdn.shopify.com/s/files/1/0436/0726/1341/files/23354315189.pdf
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/83491627607.pdf
- https://cdn.shopify.com/s/files/1/0450/2175/7590/files/buku_belajar_membaca.pdf
- https://cdn.shopify.com/s/files/1/0432/5274/4356/files/jepaziki.pdf
- https://cdn.shopify.com/s/files/1/0429/5317/9289/files/zibulivazatuwun.pdf
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/pick_up_the_pieces_sheet_music.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_off00005d26.bindd7d88a86cfab3a7a66d5e8a13c40b2de3dc869d97ef107e1787673648d15bd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D26 | 5188 bytes |
font_01_sfnt_off00006eb4.bin01817ecd706602ef27fe6ea3342932f24bfa373e3328fe1dc884e3c73d1b7086 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EB4 | 10220 bytes |
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