MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The embedded URL points to a redirector service, likely to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure.
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=yasser+seirawan+winning+chess+endings+pdf
- http://files.cygnetbrow.com/uploads/1/3/1/6/131607110/winekuv.pdf
- http://kafoxox.baytutoringnz.com/uploads/1/3/1/4/131453336/5061076.pdf
- http://files.boxtermachinery.com/uploads/1/3/2/6/132695574/cf5fcd5.pdf
- http://files.pettelleprice.com/uploads/1/3/1/3/131380342/sopemulifoneko.pdf
- https://cdn.shopify.com/s/files/1/0431/5771/7152/files/jidotetulepajo.pdf
- https://cdn.shopify.com/s/files/1/0432/3452/5352/files/14877106714.pdf
- https://cdn.shopify.com/s/files/1/0434/3355/8168/files/6745579440.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/38432477230.pdf
- https://cdn.shopify.com/s/files/1/0429/2742/3654/files/lobepolegifalur.pdf
- https://cdn.shopify.com/s/files/1/0433/0012/6880/files/sefevamugodesowu.pdf
- https://cdn.shopify.com/s/files/1/0433/6258/2693/files/furegepimugevemowefovori.pdf
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/luzutixejudemokokare.pdf
- https://cdn.shopify.com/s/files/1/0431/1239/9009/files/10056570385.pdf
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/ziduvo.pdf
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/62415485071.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/musifusotetuzetadalel.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_off00012c07.bindd74325bfed65bd0a09e4445aa014f17ff809b1dbd1722cf1c3640deda3fb666 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C07 | 5440 bytes |
font_01_sfnt_off00013e89.bin60c1c25c8ab8a0b0346aee7d05b42b4f53dee808ba2c06cce9917df48be5bc47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E89 | 10596 bytes |
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