MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier with high confidence. It contains a large number of embedded links, presented as a book, that redirect to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/wb?keyword=the%20little%20red%20book%20of%20selling%20pdf%20free, which is part of a link farm designed to lure users to download further 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/wb?keyword=the%20little%20red%20book%20of%20selling%20pdf%20free
- http://files.dorabramden.com/uploads/1/3/1/3/131382141/3729828.pdf
- http://files.westvlietstreet.org/uploads/1/3/1/3/131383748/situxatefesupigemug.pdf
- http://files.quickrunbag.net/uploads/1/3/1/4/131437531/9bf45beb640e4.pdf
- http://files.studio20-hairsalon.com/uploads/1/3/1/4/131438692/5260813.pdf
- http://files.renew-wellness-center.com/uploads/1/3/0/7/130776452/fuzaduxudiv.pdf
- http://files.themobilityfactory.eu/uploads/1/3/0/8/130873971/1372500.pdf
- http://files.paramountrec.com/uploads/1/3/0/7/130775827/wanuvawofi.pdf
- http://files.backtoroyalty.net/uploads/1/3/1/8/131856770/7976015.pdf
- http://files.bikeshopgillette.com/uploads/1/3/1/6/131606173/6466384.pdf
- https://tagojuk.files.wordpress.com/2020/07/wexonoziz.pdf
- https://xupapinir.files.wordpress.com/2020/06/tevedof.pdf
- https://safizur.files.wordpress.com/2020/06/14492774942.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gifizazuxapi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42778697636.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/28664871254.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24863128440.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sejil.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/fikajutavulelegig.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_off00005bee.bin4166c1568241b344729789df1b84f9cb311e9ee3f2cd20016e0f7bd90ad7df34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEE | 5036 bytes |
font_01_sfnt_off00006cfb.bin6f184898b8e860579e2a9ef9014d52c754a7346723d5d3888ed12223110f1f7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CFB | 13008 bytes |
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