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 farm designed to appear as legitimate documents, but the primary link redirects to a known malicious URL. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to trick users into clicking the malicious link. The heuristic firings confirm the presence of malicious redirector links and a link farm.
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.cc/pify?keyword=certificado+antecedentes+procuraduria+pdf In PDF document text
- http://files.urbanshared.com/uploads/1/3/0/7/130776602/luzemetuwovu-zudiboli-tikoriz-kenabipesaje.pdfIn PDF document text
- http://files.srwcmilwaukee.com/uploads/1/3/1/0/131070866/rijidogimafire_vepipil_gabipovi.pdfIn PDF document text
- http://files.roguevalleycavaliers.com/uploads/1/3/1/3/131398129/8561915.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/1/0430/7845/1351/files/modern_automotive_technology_6th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/xitavareva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6549/2127/files/calidad_total.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4749/4567/files/bootstrap_flyout_menu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/78245452930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7612/4821/files/5354279653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/buxidumex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7381/4182/files/pimatup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0319/8114/files/31737379279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3259/8938/files/cbse_sample_paper_2020_class_12_physics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7329/6801/files/lozidifemum.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off00007984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7984 | 6744 bytes |
SHA-256: 127b44c9f93874c96d25eb7ddc4688780d8877ce931cf296363fb5748d8d514b |
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font_01_sfnt_off00008a6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A6B | 5024 bytes |
SHA-256: e2331dabc5f66b6727254f782fc47d40d15a9988a016385e2dacf586a4a5d5c7 |
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font_02_sfnt_off00009b8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B8D | 10692 bytes |
SHA-256: 52c3dedd95a1196a653993d7cac8d012ddbf9e32d5af540535c59b095445455f |
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