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 cdn.shopify.com, and one critical link directs to a known malicious redirector at ttraff.ru. This indicates a phishing or malicious redirection attempt. The ML classifier strongly supports the malicious verdict. No scripts were extracted, limiting the analysis of the exact payload.
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=cours+anatomie+appareil+urinaire+pdf
- http://zaduzuzem.ceciliabramhallart.com/uploads/1/3/2/7/132710714/a671a.pdf
- http://files.erictigley.com/uploads/1/3/1/4/131437402/0dd9c0d.pdf
- http://mesujibu.celinacares.com/uploads/1/3/1/3/131381679/nuwaxawiravetodi.pdf
- https://cdn.shopify.com/s/files/1/0433/5442/3464/files/boyce_codd_normal_form.pdf
- https://cdn.shopify.com/s/files/1/0431/4434/7802/files/dikufu.pdf
- https://cdn.shopify.com/s/files/1/0429/2381/9164/files/cutaneous_larva_migrans_journal.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4632/files/mixotizofetikebumajonelig.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/31768226704.pdf
- https://cdn.shopify.com/s/files/1/0431/0781/1482/files/kiwotaziw.pdf
- https://cdn.shopify.com/s/files/1/0432/7368/3100/files/28776519140.pdf
- https://cdn.shopify.com/s/files/1/0428/4180/0860/files/wowabudu.pdf
- https://cdn.shopify.com/s/files/1/0450/0642/2184/files/video_killed_the_radio_star_piano.pdf
- https://cdn.shopify.com/s/files/1/0432/6513/0660/files/karuzaxanapimebavuwidupus.pdf
- https://cdn.shopify.com/s/files/1/0434/1393/0142/files/14485387755.pdf
- https://cdn.shopify.com/s/files/1/0431/4634/6657/files/ho_chi_minh_city_guide.pdf
- https://cdn.shopify.com/s/files/1/0455/3559/2613/files/43722060813.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_off00007865.bin6b566b657c906b785961092a0120df13dc734afdd07204c0271b024ba16dcfba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7865 | 5092 bytes |
font_01_sfnt_off0000899e.binbb3d3fd1477905c5c33a33ca8a9100990d6f2ee373605f43f74fee5a7885b468 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x899E | 12136 bytes |
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