MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a known malicious redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or redirection campaign.
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=technical+proposal+for+baseline+survey+pdf
- http://files.coffeerosaguam.com/uploads/1/3/1/0/131070762/bc5b231c36.pdf
- http://files.reardenrealestate.com/uploads/1/3/1/3/131379894/riwimazidipix-dezavosuziw.pdf
- http://files.electorials.com/uploads/1/3/0/7/130738725/kipajezel_tofokekaxes_vegigevisex.pdf
- http://files.worldscreenculture.tv/uploads/1/3/1/3/131379740/jimuxaji.pdf
- https://cdn.shopify.com/s/files/1/0431/6259/9583/files/zumikorofujaroteturutaxok.pdf
- https://cdn.shopify.com/s/files/1/0433/9892/2403/files/wopalamedebatevofa.pdf
- https://cdn.shopify.com/s/files/1/0433/5910/9279/files/52160188649.pdf
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/pusokumuvadapu.pdf
- https://cdn.shopify.com/s/files/1/0438/3732/5462/files/74634355146.pdf
- https://cdn.shopify.com/s/files/1/0429/4731/3827/files/raxulebib.pdf
- https://cdn.shopify.com/s/files/1/0434/1691/2037/files/98159668318.pdf
- https://cdn.shopify.com/s/files/1/0433/5383/3637/files/66327279082.pdf
- https://cdn.shopify.com/s/files/1/0434/0236/3045/files/33223762581.pdf
- https://cdn.shopify.com/s/files/1/0432/9907/8299/files/zadutopak.pdf
- https://cdn.shopify.com/s/files/1/0439/0780/9448/files/82215662765.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_off00009513.binbc904d0b43046f98d505edd06919042d782ec2ab89e1e4ebd75e1be142f3d6a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9513 | 5296 bytes |
font_01_sfnt_off0000a6f2.binf629fca57feae802d6e8fb3d555db7a5928490ea7d9ce15e541749fce7c94279 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6F2 | 14748 bytes |
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