MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to 'Bluestacks app for android phone'. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms a large number of outbound links, likely for SEO manipulation or to distribute 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/pify?keyword=bluestacks+app+for+android+phone
- http://files.macsmosaics.co.nz/uploads/1/3/1/4/131437491/7886301.pdf
- http://files.electrolysisandco.com/uploads/1/3/1/4/131483154/zolodededemutirop.pdf
- http://files.revronnie.net/uploads/1/3/2/7/132712214/guzudabigivod.pdf
- http://files.diyprojectnest.com/uploads/1/3/1/3/131380029/lonatekuxom.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/7045/5965/files/46400772186.pdf
- https://cdn.shopify.com/s/files/1/0432/8377/5643/files/loxesot.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/pazibofe.pdf
- https://cdn.shopify.com/s/files/1/0433/5799/5160/files/ledev.pdf
- https://cdn.shopify.com/s/files/1/0432/6912/8354/files/jibupupuxenasiji.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/kaxep.pdf
- https://cdn.shopify.com/s/files/1/0432/2207/3506/files/zigalurijojidusefeduba.pdf
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/28015499388.pdf
- https://cdn.shopify.com/s/files/1/0432/7414/1864/files/filoviletig.pdf
- https://cdn.shopify.com/s/files/1/0427/9785/8972/files/gusoripelipibadawe.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_off00007dbf.bin9368ee8619632fa432a9bfe71af21c7cb159e974fedf727cb4a9b2a0a3296591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DBF | 5236 bytes |
font_01_sfnt_off00008f80.bin895562be90726de8f9100f16e7bd549748027a7ae991d800ec65ad631fdea401 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F80 | 10392 bytes |
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