MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to a malicious domain, likely as part of a SEO-based link farm to distribute malicious content. The document body itself contains text related to a search query for a physiology book, suggesting a lure to entice users to click the malicious links. The ML classifier strongly indicated maliciousness.
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=a+k+jain+physiology+book+pdf+download
- http://files.followyernosebbq.com/uploads/1/3/1/3/131380616/f626caa6.pdf
- http://runajini.tournoidevignoles.com/uploads/1/3/2/8/132814930/1847719.pdf
- http://files.annhlefevre.com/uploads/1/3/1/4/131453124/191226a96908cbd.pdf
- https://cdn.shopify.com/s/files/1/0440/1243/7662/files/9856783623.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5682/files/riwaduwigosexuzedufewozot.pdf
- https://cdn.shopify.com/s/files/1/0439/1380/5992/files/18772485373.pdf
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/47510609993.pdf
- https://cdn.shopify.com/s/files/1/0437/7922/7810/files/vexinitovidiwulomaziwom.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/38149106312.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5624/files/31567350586.pdf
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/56083039968.pdf
- https://cdn.shopify.com/s/files/1/0434/4256/9382/files/nabasa.pdf
- https://cdn.shopify.com/s/files/1/0435/1164/4324/files/words_out_of_the_periodic_table.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_off000043f1.binb5de6fd428a8db222aa5a051bbcc1d090a6d64893626cd5f608b77632d25934d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43F1 | 5668 bytes |
font_01_sfnt_off0000575e.bin4f5d45e4f68e19da56d43921cccf59c2665328246afdd272b431c3f6951ba318 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x575E | 9860 bytes |
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