MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which are designed to lead users to external websites. One of these links, 'https://ttraff.ru/pify?keyword=remedial+mathematical+biology+pdf', is identified as a known malicious redirector. The presence of a link farm and the malicious redirector strongly suggest an attempt to direct users to malicious content, likely for phishing or malware distribution.
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=remedial+mathematical+biology+pdf
- http://files.fearlesscounselingservices.com/uploads/1/3/0/7/130775102/7459c3f28636.pdf
- http://files.cornerhealthfoods.com/uploads/1/3/1/4/131453725/fd9955.pdf
- http://files.springhillgardenclub.com/uploads/1/3/0/7/130776366/170465.pdf
- http://files.joannasholistictreatmentclinic.com/uploads/1/3/1/4/131438274/0a14f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7142/9016/files/apologize_piano_sheet_music_easy.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/59544111840.pdf
- https://cdn.shopify.com/s/files/1/0434/8506/9478/files/football_manager_2015_manual.pdf
- https://cdn.shopify.com/s/files/1/0439/3458/0891/files/50550359856.pdf
- https://cdn.shopify.com/s/files/1/0427/4143/2487/files/zeluzeromosekojiwitig.pdf
- https://cdn.shopify.com/s/files/1/0430/9037/8903/files/67524944131.pdf
- https://cdn.shopify.com/s/files/1/0431/9114/0509/files/fopavarovonu.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0108/files/40072080646.pdf
- https://cdn.shopify.com/s/files/1/0436/3531/0745/files/lekelise.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5600/files/mastering_blockchain_2nd_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/6874/4087/files/21089889359.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a983.bin3d59e0251302d6ec80cd0140e4042eb40ae4fcb524f15eb5c2207679c19933f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA983 | 5544 bytes |
font_01_sfnt_off0000bc4a.binef8bbbeda387939839775c49b4c27fb7d074c743e30d2b486a359c1361072340 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC4A | 10420 bytes |
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