MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used for phishing or redirecting users to malicious sites. One of the embedded URLs, 'https://ttraff.com/pify?keyword=alimentos+con+carbohidratos+simples+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of a large number of links suggests a link farm or a broad phishing attempt.
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=alimentos+con+carbohidratos+simples+pdf In PDF document text
- http://files.williamabur.com/uploads/1/3/0/7/130775728/pobaju.pdfIn PDF document text
- http://files.haldre.org/uploads/1/3/1/3/131380440/fdefad3bfead2.pdfIn PDF document text
- http://files.jenniferdowneywrites.com/uploads/1/3/1/4/131437702/lerilukis.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/1/0439/9883/8942/files/dakovisunibaviwegaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2210/2178/files/grammar_games_cambridge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/poliwubirevamusijapadode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9316/4181/files/14959711291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1705/2066/files/wuzuvokakadeborajirivex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4252/9695/files/11040743333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0968/7208/files/wuzudokewove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2541/5843/files/elementary_differential_equations_10th_edition_boyce.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/6785/4248/files/referencias_bibliograficas_apa_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/three_kingdoms_tv_series.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/83656928994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6268/9946/files/69940297645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7529/9478/files/causes_of_hypertension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2462/9405/files/50443745181.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006dfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DFD | 5524 bytes |
SHA-256: bc4d5a5961f4c96cee3021afeb878ece20cf84a5078b569706cc2cd78f4fd8d7 |
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font_01_sfnt_off00008093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8093 | 11320 bytes |
SHA-256: 1b2c34c9bc17f00b1474c2738f5d3bb35f9ebe2b76a03ae480267b1ac6aac26a |
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