MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link that is designed to lure users into downloading further content. The document body, though heavily obfuscated, contains text related to 'Ascendance of a bookworm novel pdf' and a URL that appears to be part of a link farm. The ML classifier strongly indicates maliciousness, and the presence of a redirector link confirms a malicious intent to lead the user to harmful 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.cc/pify?keyword=ascendance+of+a+bookworm+novel+pdf
- http://fopafexo.compassionstaffing.org/uploads/1/3/1/4/131438667/lezevowe-fewozo.pdf
- http://files.relaxthemovie.com/uploads/1/3/0/7/130775257/mikazogirezugu-darimegumek-fiman-zizupenivirebon.pdf
- http://files.ppmglobal.services/uploads/1/3/0/7/130740432/bavobowisi.pdf
- https://cdn.shopify.com/s/files/1/0433/2892/9960/files/fezibotevexigu.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/atualidades_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0428/2767/7852/files/sagozu.pdf
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/30830407444.pdf
- https://cdn.shopify.com/s/files/1/0435/8481/5259/files/domuzepelesumikojiligir.pdf
- https://cdn.shopify.com/s/files/1/0440/0575/2997/files/best_paint._net_plugins.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32878299647.pdf
- https://cdn.shopify.com/s/files/1/0434/3365/6476/files/auditing_and_investigation_notes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8003629611.pdf
- https://cdn.shopify.com/s/files/1/0431/8976/4245/files/argentina_country_profile.pdf
- https://cdn.shopify.com/s/files/1/0436/5592/1817/files/xifegavemujituluvizidof.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_off000064a3.bin85a854d7b9b701c48fd79b42f7d3f4c93759699a1d9b74c1db07cd1d16085a56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A3 | 5644 bytes |
font_01_sfnt_off000077cd.binb8d2478faae2eca482cd8a3867e8b400e4ff875c4a97f3f3d5e97741070c0ba7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CD | 14148 bytes |
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