MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged for containing a large number of external links, many of which point to potentially malicious redirectors or are part of a link farm. The ML classifier also strongly indicated maliciousness. The embedded URLs suggest an attempt to either distribute malware or engage in SEO manipulation for malicious purposes.
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=splash+screen+in+android+tutorial+point
- http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdf
- http://files.westpointclassof1968.com/uploads/1/3/0/7/130775982/f99fe.pdf
- http://files.cebutoursandtravel.com/uploads/1/3/0/9/130969915/fipobodedipur_mamopaki_fexuj.pdf
- http://files.spcym.org/uploads/1/3/1/3/131380045/14af0293cb9a9.pdf
- http://wewerede.deesdoings.com/uploads/1/3/1/6/131606490/2365843.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8307/9592/files/top_cracked_minecraft_servers.pdf
- https://cdn.shopify.com/s/files/1/0431/5722/5638/files/github_issues_api.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57148414383.pdf
- https://cdn.shopify.com/s/files/1/0433/3928/4645/files/jododokurarasoz.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7669/files/addendum_to_will_form_free.pdf
- https://cdn.shopify.com/s/files/1/0437/5819/0743/files/lafumovewutubelojediterum.pdf
- https://cdn.shopify.com/s/files/1/0438/6455/5680/files/anaesthesia_for_awake_craniotomy.pdf
- https://cdn.shopify.com/s/files/1/0433/9440/0414/files/tevig.pdf
- https://cdn.shopify.com/s/files/1/0430/8638/1210/files/59267023300.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdf
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/sugonumebadonezefat.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_off0000736b.bind05ba3fa1bf6440792a585ddd7149424c34e048b68144e87f6fb1a9fa9e74bc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736B | 5264 bytes |
font_01_sfnt_off0000853b.binbd574d51a20140c73012dde0f7695e07e1a4014de0edfe478c9c7608658b8017 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x853B | 15900 bytes |
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