MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to redirectors and SEO farms, indicating a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious. The document body and embedded links suggest a lure for a "free download" of a bird guide, which redirects to malicious infrastructure like https://ttraff.cc/pify?keyword=guia+ilustrada+de+aves+de+colombia+pdf.
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=guia+ilustrada+de+aves+de+colombia+pdf In PDF document text
- http://kodojik.newbethelrolesville.com/uploads/1/3/1/6/131636655/kusixusotidu_zedezetinuvil_xezobunakiti.pdfIn PDF document text
- http://files.tfreshproductions.com/uploads/1/3/0/7/130776776/9e25413b.pdfIn PDF document text
- http://files.americanreferralconnection.com/uploads/1/3/1/0/131070374/vavenidajuvofam.pdfIn PDF document text
- http://files.argumentcritique.com/uploads/1/3/1/1/131164016/mexotawitemomukejiv.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/1/0434/2795/4853/files/kexuxurivejeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0937/4365/files/83985669485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/dadugavizakevujan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0976/7584/files/vutekirirajolebokowalof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7768/8743/files/13739015788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9702/2879/files/miwaranav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5309/files/jozujativuzumeporuxenur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8606/1463/files/a_small_creature_is_scrambling.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5872/5018/files/zatez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9384/3358/files/bixadujigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/xerozazirowoluvogiwosapad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0349/3028/files/rizamilagoxezobuduxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0527/0437/files/93001776480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7143/9001/files/minobosarepanagamatubex.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_off00008add.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8ADD | 5532 bytes |
SHA-256: 452b4f865a410aa8cc061bc64eb7a4f6cd75e15a7988f06d8162fad8686336d5 |
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font_01_sfnt_off00009d9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D9C | 13148 bytes |
SHA-256: e18d0594570471cd845aef561329e46ecb452f07eb634e7e97b9bc6dbf39ad08 |
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