MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=eal+sentence+building+worksheets, which is flagged as a malicious redirector. The presence of numerous other links, many pointing to Shopify domains, suggests an attempt to obscure the malicious destination and potentially leverage SEO tactics for distribution.
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=eal+sentence+building+worksheets
- http://files.brightstarkids.com/uploads/1/3/0/7/130740177/xelojukab.pdf
- http://basusuwuw.samlyonmusic.com/uploads/1/3/0/8/130874067/86f90eb3e2.pdf
- https://cdn.shopify.com/s/files/1/0429/9456/5271/files/how_to_craft_shield_in_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0429/3741/7891/files/xulomopimafejeg.pdf
- https://cdn.shopify.com/s/files/1/0436/4071/7472/files/kidelikusuxebizodapin.pdf
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/33902027993.pdf
- https://cdn.shopify.com/s/files/1/0439/4542/7102/files/accidentally_in_love_full_book_download.pdf
- https://cdn.shopify.com/s/files/1/0429/7215/1959/files/wabutuwa.pdf
- https://cdn.shopify.com/s/files/1/0433/3889/1419/files/97275242267.pdf
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/xerogonifogini.pdf
- https://cdn.shopify.com/s/files/1/0433/9993/8211/files/7896552662.pdf
- https://cdn.shopify.com/s/files/1/0440/8098/8325/files/19967632565.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_off00004e23.bin891dc932e3f2f1cebfa595175eba880a71579e253b724b652c724bebcc1b839d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E23 | 5452 bytes |
font_01_sfnt_off000060aa.bin9e452cec874094f2b719c9454104d900206440199b5a590ff0bba605be2202ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60AA | 9760 bytes |
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