MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document is also flagged as a link farm, suggesting it's designed to distribute malicious links. The primary malicious URL is https://ttraff.cc/wb?keyword=free%20agricultural%20science%20textbook%20pdf, which likely serves as a lure to download further malicious content or lead to a phishing page.
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/wb?keyword=free%20agricultural%20science%20textbook%20pdf
- http://files.evenangelslearnhowtofly.com/uploads/1/3/1/4/131438069/b6348a15ad6bc.pdf
- http://fozaxo.djtechtalkonline.com/uploads/1/3/0/9/130969723/meliwerojavu-daxakuf-torizijex-vilesova.pdf
- http://files.backtoearthcreations.com/uploads/1/3/0/7/130739348/4512242.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22945880436.pdf
- https://cdn.shopify.com/s/files/1/0444/5837/7383/files/radicales_libres_cancer.pdf
- https://cdn.shopify.com/s/files/1/0434/5289/1297/files/brimonidine_alphagan_davis.pdf
- https://cdn.shopify.com/s/files/1/0430/0416/6297/files/24611383974.pdf
- https://cdn.shopify.com/s/files/1/0430/1655/2605/files/lejuzejasazopan.pdf
- https://cdn.shopify.com/s/files/1/0430/8362/8708/files/19253313589.pdf
- https://cdn.shopify.com/s/files/1/0437/4501/8017/files/hirayama_autoclave_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/8803/6505/files/ccna_myanmar_free_download.pdf
- https://cdn.shopify.com/s/files/1/0435/9412/1379/files/fekiligajopeve.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_off000061d7.binfc9311877bcbe84f38424ef3cda37404f16e6a744682dc4b6b05f25c784afa57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61D7 | 5552 bytes |
font_01_sfnt_off000074c5.bin920135da5de31e32e887860762669685ff3e58d7dadb196c6e9103a17c9efdd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74C5 | 10748 bytes |
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