MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to known malicious redirector infrastructure. The document body also contains a URL that appears to be a lure for a book download, which is likely intended to trick users into clicking the malicious link. The PDF_SEO_LINK_FARM heuristic further suggests a large number of external links, many of which are hosted on Shopify, likely to obscure the malicious redirector.
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=cutting+edge+new+edition+advanced+student+book+pdf
- http://files.jessisartandpipersphotography.com/uploads/1/3/1/1/131163774/felumuwimadures.pdf
- http://files.lakemurraymontessori.com/uploads/1/3/0/8/130874125/55f852cbef.pdf
- http://files.ursulinemetz.com/uploads/1/3/1/3/131383959/8331573.pdf
- http://files.kornstad.com/uploads/1/3/2/3/132303061/sebila.pdf
- https://cdn.shopify.com/s/files/1/0435/5181/7879/files/ffxiv_spice_rack.pdf
- https://cdn.shopify.com/s/files/1/0430/6134/6466/files/zugasodo.pdf
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/92422199599.pdf
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/97968233887.pdf
- https://cdn.shopify.com/s/files/1/0428/1755/2543/files/39292667078.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/6533988770.pdf
- https://cdn.shopify.com/s/files/1/0431/5480/0797/files/55917907647.pdf
- https://cdn.shopify.com/s/files/1/0436/6332/7385/files/definition_of_data_collection_procedures.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/maths_lit_textbook_grade_12.pdf
- https://cdn.shopify.com/s/files/1/0433/5350/5946/files/vejefiwoduxamov.pdf
- https://cdn.shopify.com/s/files/1/0430/7694/4021/files/67734660340.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_off00004cd8.binb8ff0094fa1a9cdfed725672963fb16943daf8d815d413455541d20da92ed5c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CD8 | 5456 bytes |
font_01_sfnt_off00005f91.bin126934df76ac85c8bf1928dde1b54cb9ca7134d67abccd29c3893eb09c46a17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F91 | 11240 bytes |
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