MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded URLs, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'pdf download' and the malicious URL. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to distribute malicious content or lead users to harmful sites. 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.cc/pify?keyword=schistosomiasis+pdf+download
- http://navixomix.alphaapparelky.com/uploads/1/3/1/3/131383297/vokazalatugomefon.pdf
- http://files.nowwwriters.ca/uploads/1/3/1/8/131856757/resunifoke.pdf
- http://files.sweetashoneyvinylcreations.com/uploads/1/3/1/4/131453436/1053835.pdf
- https://cdn.shopify.com/s/files/1/0433/2421/1354/files/kisejodigebo.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/watch_teen_wolf_season_1_online_free.pdf
- https://cdn.shopify.com/s/files/1/0439/4736/0414/files/chemical_properties_of_aldehydes_and_ketones.pdf
- https://cdn.shopify.com/s/files/1/0439/1079/1323/files/barefoot_investor_book.pdf
- https://cdn.shopify.com/s/files/1/0431/1118/6588/files/penenang_jiwa_imam_al_ghazali.pdf
- https://cdn.shopify.com/s/files/1/0429/8519/3621/files/42571539876.pdf
- https://cdn.shopify.com/s/files/1/0428/5192/6183/files/3121710994.pdf
- https://cdn.shopify.com/s/files/1/0433/9603/8812/files/1459989822.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4245/files/sejotexu.pdf
- https://cdn.shopify.com/s/files/1/0429/1765/8780/files/52250384059.pdf
- https://cdn.shopify.com/s/files/1/0431/3494/3389/files/wii_wad_games.pdf
- https://cdn.shopify.com/s/files/1/0433/6877/5841/files/34697978763.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_off00004323.binadb9c1597cec110e214df6e34adf8ff9fc56ac8a5782c6e5b37ed8c09658e006 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4323 | 5496 bytes |
font_01_sfnt_off000055c5.binbfd900d872d1ea8952872db336bd33e064be0c4bb9b8bbd5aa7fbc533bdeca1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C5 | 8976 bytes |
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