MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, many of which point to what appears to be a link farm or redirector infrastructure. The primary malicious link identified is https://ttraff.ru/pify?keyword=bioethics+a+philosophical+introduction+pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to academic texts and movie downloads, suggesting a lure to disguise the malicious intent. The ML classifier strongly supports the malicious nature of this PDF.
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=bioethics+a+philosophical+introduction+pdf
- http://files.emileescreations.com/uploads/1/3/0/7/130739081/wekemabu.pdf
- http://levaziw.br3h.com/uploads/1/3/0/7/130775607/3803376.pdf
- http://files.halgroveelkhounds.com/uploads/1/3/0/7/130775220/wadukoki.pdf
- http://files.magicaladventurestravelbystacy.com/uploads/1/3/2/6/132681767/tujimon.pdf
- https://cdn.shopify.com/s/files/1/0435/1701/8267/files/720p_movies_download.pdf
- https://cdn.shopify.com/s/files/1/0437/1133/2503/files/ageless_body_timeless_mind_book.pdf
- https://cdn.shopify.com/s/files/1/0436/0211/6772/files/57587664320.pdf
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/xetuvikidufosaluruja.pdf
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/bushcraft_attitude_magazine.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.pdf
- https://cdn.shopify.com/s/files/1/0427/9622/0572/files/11028202468.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/39717445269.pdf
- https://cdn.shopify.com/s/files/1/0429/2660/4447/files/fizobuxilivewaxami.pdf
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/lumuzok.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_off00005039.bine5912bbcd44754afd9e9c7494324350ab03047452b55ea95c297b1412f10639b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5039 | 5292 bytes |
font_01_sfnt_off00006233.bin24b969835e84f1dedbe4d2bb55d1bc8ef7b61b34e4a40daeb4c807b34dfc05b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6233 | 10340 bytes |
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