MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to appear as legitimate PDF downloads, but the primary link redirects to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and other URLs that are part of the link farm. This indicates a social engineering attempt to trick the user into visiting a malicious site.
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=third+law+of+thermodynamics+pdf+download In PDF document text
- http://files.ucdlayinghenassessment.com/uploads/1/3/0/7/130739519/6909074.pdfIn PDF document text
- http://files.workingdogo.com/uploads/1/3/1/4/131406558/zexekawemilu.pdfIn PDF document text
- http://files.staceyharris.co.nz/uploads/1/3/1/4/131454389/1c67219473b9b.pdfIn PDF document text
- http://files.bankfarmlleyn.co.uk/uploads/1/3/1/6/131637362/waxonumexuxovum.pdfIn PDF document text
- http://files.dulcineaquartet.com/uploads/1/3/0/7/130739974/lusubuka.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/1/0433/0278/1083/files/64046299590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1267/5990/files/627305083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7313/files/bojarefisemituwewosalala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/dibusefado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8494/8380/files/kumojovofopasitasizad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7904/files/35451295905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9222/9797/files/digital_agenda_in_the_europe_2020_strategy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2488/7456/files/tutorialspoint_c_programming_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8755/9833/files/zatitaxuwajimijof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5032/8486/files/bawigazokapuvimumunipinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/yandere_simulator_controls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9028/9574/files/keroximuxukenik.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_off0000916a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x916A | 5540 bytes |
SHA-256: 32e9b749c4d42fdc59a6124b8044091ba93d25401bfb3dae0be8b73e8cbe5a5e |
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font_01_sfnt_off0000a42d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA42D | 11832 bytes |
SHA-256: d0b6fa7c1f0bbb834956cd250ceac949335ce03fac8c7594f2d5c96fb30b43d8 |
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font_02_sfnt_off0000ccca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCA | 16064 bytes |
SHA-256: 28c03bcf599e3456f71dbda7a9940e8017c4b7a6e15fdbd9d4eba8bfcd1a11e4 |
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