MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded URLs suggest a lure to download a PDF, likely to trick users into visiting the malicious redirector. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=igcse+cambridge+international+mathematics+0607+extended+book+pdf In PDF document text
- http://files.vizstationstl.com/uploads/1/3/1/4/131482887/gutinaza.pdfIn PDF document text
- http://files.fabulous-you.biz/uploads/1/3/1/0/131070149/sukowuruzewalor-nitazipupe-kimimarodojukeb.pdfIn PDF document text
- http://files.fyldecoastrunners.com/uploads/1/3/1/4/131482886/ae266c2.pdfIn PDF document text
- http://files.ronnieroseband.com/uploads/1/3/0/8/130813797/a7f99.pdfIn PDF document text
- http://files.kenairiverfoundation.org/uploads/1/3/1/4/131453034/simivutefavazu_rutame_jatobu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zofes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0144/6551/files/rasowazifanupakabamuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0409/9740/files/git_branching_model.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/95162884797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5376/9123/files/77656496697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6876/7907/files/apostila_traados_de_caldeiraria_senai_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/xuwib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/2141984410.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8371/9071/files/zejupofixapikabuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2212/1122/files/47775063896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5148/2278/files/41148971435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0778/2557/files/i_ching.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/pesuwujaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5178/5109/files/jojagekakepuxagosama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7896/6686/files/tazapixapisirumiguxiri.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B73 | 3232 bytes |
SHA-256: fda7502d38baf9d593f1cd7c139d05f83984819d145b4bbb5bbf493f60f9fc75 |
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font_01_sfnt_off0000772a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772A | 6152 bytes |
SHA-256: 9888bb4ea8c4f801995c113e10a1bb7a0ef8332d98e34891a22ca7381c114f82 |
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font_02_sfnt_off00008bf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BF9 | 11276 bytes |
SHA-256: dcee5b4e3a96ab39bdb2ae5ad131fe660ffed4386ebd80049299cdb4a0cfd098 |
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