MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a high number of embedded links, many of which are designed to mimic legitimate file hosting services but lead to unknown or potentially malicious domains. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic, suggesting a lure to external content.
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=oceans+hillsong+united+piano+sheet+music+pdf
- http://pikedowi.hotseatcustombaits.com/uploads/1/3/2/8/132814930/4215888.pdf
- http://files.magicalmoves.com.au/uploads/1/3/1/6/131606968/267f4412.pdf
- http://files.chawneralmshouses.co.uk/uploads/1/3/2/7/132710632/najanutudoxogenurum.pdf
- http://files.idstatement.org/uploads/1/3/0/7/130739004/535488cfbd3ed.pdf
- https://cdn.shopify.com/s/files/1/0433/8286/6072/files/dobazexanijalabasikolota.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90379225571.pdf
- https://cdn.shopify.com/s/files/1/0440/3606/3397/files/govosumejupumalukadipegew.pdf
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/pathfinder_challenge_rating_calculator.pdf
- https://cdn.shopify.com/s/files/1/0434/8870/6717/files/algebra_maths_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/9029/4437/files/zuxodagigufujek.pdf
- https://cdn.shopify.com/s/files/1/0437/5396/3678/files/power_smokeless_grill_recipes.pdf
- https://cdn.shopify.com/s/files/1/0431/4356/1373/files/jobatax.pdf
- https://cdn.shopify.com/s/files/1/0437/2188/3816/files/equivalent_expressions_worksheet_6th_grade.pdf
- https://cdn.shopify.com/s/files/1/0428/6906/3836/files/59610252003.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/fadeviporowakibisajenam.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_off00004f07.bin8f8a03029f2d419dc49d78a84f73183ba41c19330b8b12c8c51bf9f07c22df77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F07 | 5500 bytes |
font_01_sfnt_off0000619a.bin02a0d5acda2138cd44fa199b79ddf67032596c46b7e9e62fe6033de3681e0980 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619A | 15028 bytes |
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