MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external PDF files, a technique often used to create link farms for SEO manipulation or to host malicious content. One of the primary links directs to a known malicious redirector infrastructure, indicating a high likelihood of malicious intent. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=pearson+lab+and+mastering
- http://files.jenniferyackel.com/uploads/1/3/1/3/131383791/2483817.pdf
- http://files.wickycandlesllc.com/uploads/1/3/1/6/131606951/baxomopur.pdf
- http://files.malovicmak.com/uploads/1/3/1/0/131070712/3420880.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/83065962297.pdf
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/rugapesawixupuraku.pdf
- https://cdn.shopify.com/s/files/1/0433/7749/2118/files/zubaxuxiregabosatugimo.pdf
- https://cdn.shopify.com/s/files/1/0429/7352/8213/files/85392614893.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96512150342.pdf
- https://cdn.shopify.com/s/files/1/0437/7962/1026/files/zonaxunenizebejexameko.pdf
- https://cdn.shopify.com/s/files/1/0429/3020/8924/files/18140903628.pdf
- https://cdn.shopify.com/s/files/1/0431/0184/7708/files/42850023473.pdf
- https://cdn.shopify.com/s/files/1/0434/7330/5762/files/ladaj.pdf
- https://cdn.shopify.com/s/files/1/0433/1274/2550/files/dagafude.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/jesulilege.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/3568088610.pdf
- https://cdn.shopify.com/s/files/1/0433/4429/8133/files/14093065062.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3895/files/24395378789.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004e96.bin73b417c5aab55dbb95be873afd93d98e2aa6be0a7f7e20d940a9a9672ceefaa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E96 | 5288 bytes |
font_01_sfnt_off00006076.bin00377e81c8a3a138dbaeffb50ac2c91488792c6f7c9c056a8c8cc6f3746058bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6076 | 10648 bytes |
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