MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded URLs, some of which are flagged as potentially malicious by heuristics. The ML classifier also indicated a high probability of maliciousness. While no scripts were extracted, the presence of external links suggests an attempt to redirect the user to malicious content, likely as part of a phishing or social engineering campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.8715
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://feedproxy.google.com/~r/razvivatel/yapz/~3/7R6buoffwiA/square?utm_term=tomorrow+and+tomorrow+charles+sheffield PDF link annotation
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec9f07c81c37306b3159e5/1626119943803/advanced_scaffolding_voc_questions_and_answers.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60eca8e4f4b4775d04a2d3c9/1626122468541/27500956514.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e7821953cead59e10e51cc/1625784857175/mudras_images_with_name.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee101e77e2cd4113ec7eab/1626214431055/can_you_pull_a_muscle_in_your_forearm.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e8df935ebba154a8f88da6/1625874323112/77957989631.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DC | 16908 bytes |
SHA-256: d18879b4604cb5a41f58ec7071ebe2ce0d89f332e93bee572dc322af6ca35673 |
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font_01_sfnt_off0000f482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF482 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C99 | 10792 bytes |
SHA-256: 38e4aea8979e4d0dc66311c3bc96c563431525880edc23d3cbe950e98a71f4a7 |
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