MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links to external resources, with a primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains the target URL, suggesting an attempt to disguise malicious content as a technical document. The presence of a link farm heuristic further indicates a potential SEO manipulation or phishing campaign.
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=arduino+mega+caracteristicas+pdf In PDF document text
- http://files.kiweehealth.com/uploads/1/3/1/8/131871622/f388395401.pdfIn PDF document text
- http://files.journeythroughsurrogacy.com/uploads/1/3/1/6/131636807/zuwen_ladikukamegu_jisaduroxo.pdfIn PDF document text
- http://files.juliner.com/uploads/1/3/0/8/130813317/7073305.pdfIn PDF document text
- http://files.migrocers.com/uploads/1/3/1/4/131409210/rabisisumur_losabivupek_towoxagur.pdfIn PDF document text
- http://files.agendaforchildrenost.org/uploads/1/3/1/4/131437736/3265976.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/1/0431/4542/9160/files/71906848082.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/soda_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7751/0055/files/calculus_by_howard_anton_5th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6474/8184/files/lista_de_adverbios_de_lugar_en_ingles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/68591208719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/occurrence_of_actinides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/2855/6445/files/alcanos_ramificados_ejemplos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5115/5618/files/xaligimujenijeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7060/3932/files/manacher_s_algorithm_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9870/files/88218700125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1828/0357/files/zarefuratewasiladiguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0876/1751/files/gcse_biology_revision_questions_and_answers.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000710a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710A | 5432 bytes |
SHA-256: 76f152bcdfa620781a4b309c413c5a5e0198942c6fa5477b201bd767b5fff732 |
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font_01_sfnt_off0000836b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x836B | 9948 bytes |
SHA-256: c1c8f9fade124a8a731dcf7eeaedd289a316b975b272b1e16b707bc7ba5f304c |
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font_02_sfnt_off0000a5b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5B8 | 17508 bytes |
SHA-256: 62592edb386ded1bbfe3ad176abaa9c49759de4fcc4f1cb42fcaf8336976d7ed |
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