MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link redirects to known malicious infrastructure. This suggests a tactic to disguise malicious links within a larger set of seemingly legitimate ones, likely to trick users into clicking through to a malicious site. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=android+studio+first+app+tutorial+pdf
- http://vawiwiro.northwoodsbulldogs.com/uploads/1/3/0/7/130739430/timamenibilinav_vuragilire.pdf
- http://files.purlieulandscapes.com/uploads/1/3/2/6/132681836/ac05964060f0.pdf
- http://files.beadedtreats.com/uploads/1/3/0/7/130775249/324405606.pdf
- http://files.awgreekshop.com/uploads/1/3/1/1/131163533/8389527.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/9340/8409/files/10988518212.pdf
- https://cdn.shopify.com/s/files/1/0427/5693/1751/files/79420016192.pdf
- https://cdn.shopify.com/s/files/1/0452/5201/8337/files/bk_murli_today.pdf
- https://cdn.shopify.com/s/files/1/0427/4785/5004/files/79793618807.pdf
- https://cdn.shopify.com/s/files/1/0432/7247/0686/files/79689808171.pdf
- https://cdn.shopify.com/s/files/1/0433/9059/9319/files/wexute.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/lamoxegiragodite.pdf
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/29541758937.pdf
- https://cdn.shopify.com/s/files/1/0437/7742/5565/files/57405191518.pdf
- https://cdn.shopify.com/s/files/1/0432/6077/2510/files/suzuki_dr650_service_manual_free_download.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_off00008172.bind252f1cfd40e193c00f496d3118ae9b7e42e831ceae833d54d6b557c661d8afc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8172 | 5024 bytes |
font_01_sfnt_off0000929a.bin3b4b6a64e2ed8c97afe87fc9b3862c8e34bb155064f9d0ae65c4ca1f295d3042 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x929A | 10420 bytes |
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