MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a mass of external links, with one prominent link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the heuristic. This suggests a phishing or redirection attack aimed at leading the user to malicious infrastructure.
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/wix?keyword=significado+etimologico+de+endocardi In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/6151/0293/files/30494068066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/bapomefejapunameviwodamed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1689/5133/files/capture_one_pro_11.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/vujikefaximanivimopuril.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0386/1416/files/wikubotizagolijivinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3123/2666/files/30569128797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/66458034053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3056/1436/files/26014875563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/sutepole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5102/3526/files/pixaxegosurupuzuna.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/4274895189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3393/5519/files/32341477853.pdfIn PDF document text
- https://static.usrfiles.com/ugd/52b593_4b6230f80a994773a8d3816ff9d80a83.pdfIn PDF document text
- https://static.usrfiles.com/ugd/79e0dc_6bf2c8d7eed44b4bbc49755d6379aabf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_ad908162b8fe44ed80bf2d3668d8be69.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_5f7122a0f76846b5979b588cb5287a24.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8003 | 5056 bytes |
SHA-256: 05a03a5e5ac1aa57b5c117bb3e5d2202d947c64ab2d4f2545c4f7cf5085974df |
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font_01_sfnt_off0000910a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x910A | 11092 bytes |
SHA-256: 9176fae04f22fbabd0f913f437d9686dea3bc9a0918376cc633312b568b64f2f |
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font_02_sfnt_off0000b562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB562 | 16200 bytes |
SHA-256: 7427c6bc67859b578149a261544bb1535a5c5cc5499c5bcf465df30433ecb59a |
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font_03_sfnt_off0000cab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB6 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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