MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with at least one leading to a known malicious redirector. The document's content, while appearing to be about an academic topic, is likely a lure to drive traffic to malicious infrastructure. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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=emergence%20of%20sociology%20as%20a%20scientific%20discipline%20pdf
- http://files.grettawilson.com/uploads/1/3/1/4/131437351/5306487.pdf
- http://files.alphawomenscentermn.com/uploads/1/3/0/9/130968993/vebefez_koxixosiwawelol_perowedevaj_warebowaxip.pdf
- http://files.durhamsciencefair.ca/uploads/1/3/1/4/131454172/1358feddd0.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/646255477.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
- https://cdn.shopify.com/s/files/1/0428/5209/0022/files/60664783420.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/zadizajezokisu.pdf
- https://cdn.shopify.com/s/files/1/0440/0644/1110/files/27733558297.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47184882359.pdf
- https://cdn.shopify.com/s/files/1/0430/7533/8389/files/67960667437.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47878122177.pdf
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/xalegoboxomufebijewepari.pdf
- https://cdn.shopify.com/s/files/1/0433/8014/6334/files/6100328516.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.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/
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/zadizajezokis
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008736.binfdc87ba43e1c7ed02352056875ba01e73d9ef4227fbf61faca71479e08d4d80e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8736 | 5320 bytes |
font_01_sfnt_off00009936.binfbccc41eea250616be16c7259b2cf54f61f67d1b990ec3a2a8f7067dbe6c46cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9936 | 10520 bytes |
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