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, appears to mimic academic content to disguise the malicious intent. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly suggests an attempt to lead users to harmful sites.
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/pify?keyword=oxford+handbook+of+clinical+hematology+pdf
- http://files.sarahtorti.com/uploads/1/3/0/9/130969368/newabazu.pdf
- http://files.covenantbiblecamp.org/uploads/1/3/0/8/130874352/4355132.pdf
- http://files.diasalinas.org/uploads/1/3/0/7/130774979/5e8b10c9322.pdf
- http://files.naturesconfluence.com/uploads/1/3/0/9/130969820/winirikitiwik.pdf
- http://files.italybooktours.com/uploads/1/3/0/9/130969704/5360918.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6454/1852/files/runuzamufef.pdf
- https://cdn.shopify.com/s/files/1/0432/6018/2692/files/vokagusesofovovevadegezof.pdf
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/weganewe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jomanumono.pdf
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/70851846884.pdf
- https://cdn.shopify.com/s/files/1/0434/5544/7202/files/sevisujugow.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5800/files/guwunag.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/29719304838.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62654677968.pdf
- https://cdn.shopify.com/s/files/1/0433/1434/8197/files/poxesomolenosexazamov.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.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_off000067f2.binbe8225fb750c9e879ac49b8d2f4dbd882dc7b320acf5d4755fa11259bbbb2926 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67F2 | 5580 bytes |
font_01_sfnt_off00007ac9.bin504dcc2e7cef22489202a7e3b8334bd2436d55d68ec01fc95d58d4230d7ac89f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC9 | 10116 bytes |
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