MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. It also hosts a large number of external PDF links, suggesting a link farm for SEO manipulation. The embedded URL points to a redirector that ultimately leads to a page offering a book download, which is a common lure for phishing or malware 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=basics+of+computer+and+applications+book+pdf
- http://zelonu.arkansasbearcreekgoldensanddoodles.com/uploads/1/3/2/3/132302872/3801665.pdf
- http://files.abiyoga.com/uploads/1/3/1/3/131397987/kenanupagavumut-dukamodukevawe-nifirusibo.pdf
- http://files.birchbarkfarms.com/uploads/1/3/1/4/131483098/326163903.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7473/8581/files/24864200489.pdf
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/hands_on_automated_machine_learning.pdf
- https://cdn.shopify.com/s/files/1/0431/7446/1594/files/atrial_septal_defect_pediatric.pdf
- https://cdn.shopify.com/s/files/1/0432/5559/5172/files/kukebogozufifolaluteb.pdf
- https://cdn.shopify.com/s/files/1/0430/9549/0721/files/pijobiraviwesuf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.pdf
- https://cdn.shopify.com/s/files/1/0432/1204/6495/files/ratio_analysis_examples.pdf
- https://cdn.shopify.com/s/files/1/0431/2665/3077/files/powevidepib.pdf
- https://cdn.shopify.com/s/files/1/0431/8131/0114/files/50404342366.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/71854062357.pdf
- https://cdn.shopify.com/s/files/1/0434/5331/7272/files/lututelusujutejap.pdf
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/8465691018.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_off00006dca.bind8591da829e635b2a62b5ce2ce15a65e971a7db9545dc88848319bd507a2fcf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DCA | 5552 bytes |
font_01_sfnt_off00008094.bin6762d979b4353f8eaa95923d0a4d459dd8d888e40784923b7c37d6ff0974bc49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8094 | 10272 bytes |
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