MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics and IOCs. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute malicious 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=publicly+traded+companies+financial+reports
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/8127dd_9818a88551424ad29ec9fbc6ac06d8de.pdf
- https://static.usrfiles.com/ugd/f90bad_9ba70447b2c045fd9d74a9af8bf841c1.pdf
- https://static.usrfiles.com/ugd/30ea26_d6567111c9df4c9b9da01e53cd3398a2.pdf
- https://cdn.shopify.com/s/files/1/0430/1268/5977/files/lujasademexotiwel.pdf
- https://cdn.shopify.com/s/files/1/0432/8210/4478/files/advantages_and_disadvantages_of_intensive_reading.pdf
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/school_coordinator_job_description.pdf
- https://cdn.shopify.com/s/files/1/0431/2583/3884/files/amman_movie_songs_free.pdf
- https://cdn.shopify.com/s/files/1/0434/3113/3351/files/drastic_ds_emulator_apk_onhax.pdf
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/82542746780.pdf
- https://cdn.shopify.com/s/files/1/0462/5730/7797/files/75962689875.pdf
- https://cdn.shopify.com/s/files/1/0427/9068/2783/files/character_animation_books.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_off0001247b.bin302cb791e4f81a9f6e21be1755c4d3e21f7426c44cb4804ed91297dc2d60c28b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1247B | 5544 bytes |
font_01_sfnt_off00013744.binc1069d2abfaaef8af4948fd367ea95071287d2893eb2237f7f0b294146099210 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13744 | 15544 bytes |
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