MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains a URL that matches the malicious redirector, indicating an attempt to lure the user to a potentially harmful site.
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.com/pify?keyword=experiment+1+basic+laboratory+techniques+lab+report
- http://files.iroiroproject.ch/uploads/1/3/2/7/132711954/553f7.pdf
- http://sepurama.liveitup4life.com/uploads/1/3/1/0/131070993/579961286c43.pdf
- http://files.50-50-50challenge.com/uploads/1/3/1/8/131872087/filomizape.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/69297024240.pdf
- https://cdn.shopify.com/s/files/1/0435/8003/1139/files/binary_search_javascript.pdf
- https://cdn.shopify.com/s/files/1/0432/7004/5864/files/nopuvekirinalonadupom.pdf
- https://cdn.shopify.com/s/files/1/0432/7745/1428/files/19038382300.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/data_warehouse_example.pdf
- https://cdn.shopify.com/s/files/1/0429/9885/7891/files/nidufene.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/fubimufifitawaso.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/vidafexezomidaf.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/19871235142.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1077/files/cambridge_english_advanced_practice_tests_with_key_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/fubopizonirosalelex.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_off00006184.bin2470ffd6fa9c949c3efd6fd91a7aa08f6848725dbbb99dea3a870f19aad550f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6184 | 5616 bytes |
font_01_sfnt_off0000747b.bin4bbf0fd098f313fedf5ea250b07470d93bcae5c69fffdf98a77cdea64729acfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x747B | 10712 bytes |
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