MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, disguised as a search result for an academic paper. This is supported by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The ML classifier also strongly indicated maliciousness. The embedded URLs suggest a link farm designed to distribute malicious 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.com/pify?keyword=techniques+in+organic+chemistry+3rd+edition+pdf
- http://files.percybio.com/uploads/1/3/1/4/131453034/976562.pdf
- http://files.antoineauriol.com/uploads/1/3/1/4/131438248/xonapev.pdf
- http://files.davidbentonphotography.com/uploads/1/3/0/7/130775245/05996e4ecca84af.pdf
- http://files.lomondlogs.co.uk/uploads/1/3/1/6/131606118/c69aab6c.pdf
- https://cdn.shopify.com/s/files/1/0432/0601/7186/files/nizazixasak.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gekubamunanapomokavonata.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/tubutivaxemaluvajenidomaz.pdf
- https://cdn.shopify.com/s/files/1/0431/4778/8450/files/tegajafekiduvote.pdf
- https://cdn.shopify.com/s/files/1/0434/8762/5369/files/miwema.pdf
- https://cdn.shopify.com/s/files/1/0434/6209/9097/files/dupeke.pdf
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/sql_query_interview_questions_and_answers_with_examples.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6275/files/medical_surgical_nursing_ignatavicius.pdf
- https://cdn.shopify.com/s/files/1/0430/2218/8701/files/rikewuzefejabit.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1589944702.pdf
- https://cdn.shopify.com/s/files/1/0430/6688/4250/files/92621512976.pdf
- https://cdn.shopify.com/s/files/1/0433/6353/2951/files/manoditeresamemurekosapef.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_off000061bf.bine2688f208fe9cdaab850e0cee6a2041fb3e8a298ee32affabe74eee74518522d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61BF | 5876 bytes |
font_01_sfnt_off0000759c.bin35f1f82172f1d693e46b722767cafae83a2bbc0b5e5bf2d1590343a8b53544c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759C | 10412 bytes |
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