MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Cornell soil health assessment training manual' and the malicious URL. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly suggests an attempt to direct users to harmful content.
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/wix?keyword=cornell+soil+health+assessment+training+manual
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_36ab2292abc746c7bd03bf81886881ef.pdf
- https://static.usrfiles.com/ugd/b8c837_992ee16689ec42778a78798ee7fe50aa.pdf
- https://static.usrfiles.com/ugd/5926b4_41ee2bb9f5a94cd9a5f79e854840758c.pdf
- https://static.usrfiles.com/ugd/b8c837_bb14eaa8021b4ea0883159d0c61abaf0.pdf
- https://static.usrfiles.com/ugd/b8c837_cf47ea6b1b8442ee9c2bcdc31cafbbe3.pdf
- https://cdn.shopify.com/s/files/1/0429/7578/9215/files/92450340371.pdf
- https://cdn.shopify.com/s/files/1/0436/1024/3230/files/jizinu.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/refanakomosorolaxirasix.pdf
- https://cdn.shopify.com/s/files/1/0431/4441/3350/files/evaluating_exponential_functions_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0436/1574/8253/files/how_much_does_a_taxi_cost.pdf
- https://cdn.shopify.com/s/files/1/0429/7038/2485/files/51367470120.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/91516183026.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4624/files/jio_caller_tune_number_app.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/73924173027.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rodol.pdf
- https://cdn.shopify.com/s/files/1/0436/9920/8346/files/87616814410.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_off0000ab5d.bin9583da38adc8f41abc1b5d2f671e09162bfe0ae2d50a3869fd782f9e7200f135 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB5D | 5004 bytes |
font_01_sfnt_off0000bc2e.bin33aebf347c208522564a99df8972decc2b4613bd421325369752ae4bf7a91d65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC2E | 15796 bytes |
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