MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though partially corrupted, contains the URL 'https://ttraff.ru/pify?keyword=plantilla+de+diagrama+bimanual+pdf' which is flagged as malicious. This suggests the document's primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.
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.ru/pify?keyword=plantilla+de+diagrama+bimanual+pdf In PDF document text
- http://files.number25deli.co.uk/uploads/1/3/2/6/132680822/fbffef669020.pdfIn PDF document text
- http://files.kentcrusaders.com/uploads/1/3/2/6/132681443/dilonorixesito.pdfIn PDF document text
- http://febovuku.highpeaksedteam.org/uploads/1/3/2/8/132816036/vasutiraxire.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/1/0430/2805/4169/files/99998149827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/84457712612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3133/6859/files/urban_sprawl_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5266/1912/files/roregonelovede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5290/0250/files/8281703955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1540/3682/files/94188060643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8761/6413/files/beading_tutorials.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1466/5886/files/wobofasewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8004/8023/files/bozinuvugaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/56976215229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5652/8544/files/nifowavix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9390/7869/files/30849823398.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_off000060bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60BF | 5324 bytes |
SHA-256: 824e8e18d321ee655672bd9988e4e5188b3f0c7dbf654d742a1cc38bc92a8f8b |
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font_01_sfnt_off000072c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C3 | 11004 bytes |
SHA-256: d46b9c90bc78512cb4291ad6a1112097af640f2978703fa36a6e78d9faa1e26c |
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font_02_sfnt_off000096bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96BF | 16080 bytes |
SHA-256: dbf142a5ee5912dba0d06f749c68ada68fc433a58d5d71ae416dbac8ced49b19 |
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