MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, https://ttraff.cc/pify?keyword=tutorials+point+computer+networks+pdf, is a known redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDF files, suggesting a link farm or lure to disguise the malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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=tutorials+point+computer+networks+pdf
- http://files.sapphiria.com/uploads/1/3/2/6/132682913/peweguk.pdf
- http://files.erikkuska.com/uploads/1/3/0/8/130874583/nirunesiradiwi.pdf
- http://files.pharmatodharma.org/uploads/1/3/2/6/132695738/715cef43cf3.pdf
- http://tumivex.fccdks.org/uploads/1/3/0/8/130874620/bopuko_tirilezuvabe.pdf
- https://cdn.shopify.com/s/files/1/0430/5590/6973/files/balogarib.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/givevudaxoxepuveboz.pdf
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/81096773262.pdf
- https://cdn.shopify.com/s/files/1/0432/5353/0782/files/maxotazano.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/lenarugipaxezufuse.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94192334972.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8913/files/l_carnitina_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/jigiraxuxevesufot.pdf
- https://cdn.shopify.com/s/files/1/0431/0191/3244/files/jagamiwokoborobu.pdf
- https://cdn.shopify.com/s/files/1/0433/4052/9816/files/waliraxuvabefuwujimep.pdf
- https://cdn.shopify.com/s/files/1/0447/3192/4629/files/suzuki_250_quadrunner_repair_manual_free_downloads.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_off00005a74.bincfd4f6b662976e4b8ad2b4eef89804e5ac3e116b28fafca1f8701072cd11aa08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A74 | 5404 bytes |
font_01_sfnt_off00006cd3.bine43fb50f46947e9c561a51dcb017a1a5ac694e5b9fa80898adaae4629b51b232 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD3 | 10012 bytes |
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