MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, while containing academic-sounding text, is likely a lure to disguise the malicious intent of the embedded links. The ML classifier strongly flagged this PDF as malicious, supporting the presence of malicious redirector links.
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.com/pify?keyword=advantages+and+disadvantages+of+ecological+systems+theory+pdf
- http://files.cedartreeholistics.ca/uploads/1/3/0/8/130814014/kulumomage_gijinefafutuk_ladizimilib_pobarolim.pdf
- http://files.amadauniversity.com/uploads/1/3/1/6/131636584/rudesetogevif.pdf
- http://files.gardaconstruction.com/uploads/1/3/1/6/131606094/mewumi-nimezawobo-degirajav.pdf
- http://varibagiv.nmschoir.com/uploads/1/3/0/8/130874474/926986944101d69.pdf
- https://cdn.shopify.com/s/files/1/0431/6410/6908/files/komivexusisazogupobi.pdf
- https://cdn.shopify.com/s/files/1/0429/1638/0831/files/22107702898.pdf
- https://cdn.shopify.com/s/files/1/0430/4227/5485/files/gaxuvepurekarupi.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4465/files/72929839410.pdf
- https://cdn.shopify.com/s/files/1/0431/6944/8097/files/60938479796.pdf
- https://cdn.shopify.com/s/files/1/0450/3791/2214/files/types_of_audio_visual_aids_in_teaching_english.pdf
- https://cdn.shopify.com/s/files/1/0451/8805/5191/files/34544301735.pdf
- https://cdn.shopify.com/s/files/1/0434/4935/2349/files/40140902666.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9646434013.pdf
- https://cdn.shopify.com/s/files/1/0445/9554/4228/files/cengage_calculus_maths_download.pdf
- https://cdn.shopify.com/s/files/1/0434/8300/5093/files/wigilemu.pdf
- https://cdn.shopify.com/s/files/1/0431/0256/8599/files/97628861254.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_off00006829.bin44866c25d5bddea4cd98954e593388dd969de5da106049fac28270be06ac986b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6829 | 5720 bytes |
font_01_sfnt_off00007b87.bin10cd9abebe2f32eae8c8d8142d6f38766e9f59cfbcf4c40ad0f8f9efa27c41d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B87 | 10672 bytes |
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