MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
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, though heavily obfuscated, contains the URL that is used in the redirection. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm for SEO poisoning or traffic generation. The ML_NYX_PDF_MALICIOUS heuristic strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=javascript+interview+questions+and+answers+for+freshers+pdf In PDF document text
- http://files.howardcountyschoolhealthcouncil.org/uploads/1/3/0/7/130775760/e72c83ccd0c.pdfIn PDF document text
- http://files.hilltoplife.com/uploads/1/3/2/7/132712323/sazetok.pdfIn PDF document text
- http://files.starlitedance.ca/uploads/1/3/0/7/130738722/1451956.pdfIn PDF document text
- http://files.shoppesatbankscrossing.com/uploads/1/3/2/6/132696249/0d02e.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/1/0439/2353/8088/files/88766357029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8254/6341/files/gobijudowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/72356915447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/causative_verb_exercise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8283/2289/files/kixarikenaresuxageke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6125/6096/files/disney_cinderella_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5887/8872/files/fuwelaluronagafomovojewer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6129/4757/files/59348754374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/laminas_perspectiva_caballera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4374/1083/files/46101926440.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8524/8165/files/89754124643.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F54 | 5476 bytes |
SHA-256: 324d208c9a5f9bf5432e0fb2f8316f6d299eb788e74e429d98132f39b25d2248 |
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font_01_sfnt_off000131f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F9 | 4360 bytes |
SHA-256: 3326041dc672214ebb644a8a6804ea74cb1703580e609436f2bb7f5feed95965 |
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font_02_sfnt_off0001425f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1425F | 14564 bytes |
SHA-256: bf20db924bf59a3aaaa4c8333d2ff4a56944f23b096fe43c7f5843265d69777c |
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font_03_sfnt_off0001713c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1713C | 16336 bytes |
SHA-256: 18820e64b89489c6901bdbad9637cefc87d81bb55776bf10726fbc7439458c45 |
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