MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates a direct link to suspicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, likely for SEO manipulation or to distribute malicious content. The document body, though heavily obfuscated, contains text related to job evaluation, which is likely a lure.
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=importance+of+job+evaluation+in+human+resource+management+pdf In PDF document text
- http://files.corriebeth.com/uploads/1/3/0/8/130813550/2821064.pdfIn PDF document text
- http://files.matthebert.net/uploads/1/3/2/6/132695401/gijaminoxowa.pdfIn PDF document text
- http://files.kirstenbuttononline.com/uploads/1/3/1/0/131070178/ligagivebo.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/1/0432/2567/7982/files/95035522597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1639/4648/files/nuxil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7354/5116/files/fujamek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2172/8919/files/timaxefepojilazemuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/vipabegijaw.pdfIn PDF document text
- https://genonirog922543524.files.wordpress.com/2020/07/63289321814.pdfIn PDF document text
- https://gikigofuleru.files.wordpress.com/2020/07/83342692562.pdfIn PDF document text
- https://sinezuve.files.wordpress.com/2020/07/wofijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/89213637822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/55716253504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0708/1622/files/87580013071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2819/3184/files/togifidulokofimosawidaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8982/9800/files/deduwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/nuzitilupubuxoludatufeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/24260100115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4578/9600/files/nobuvelutilapijozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1470/9663/files/31956045750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/44674305280.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_off00008264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8264 | 5664 bytes |
SHA-256: 7f5c49d938f70f782be29b88995ccecbbbc5d51873dfb89ee9badb2d3ce58b0d |
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font_01_sfnt_off00009569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9569 | 10072 bytes |
SHA-256: cea5beb006b78ae9fe795f1e690959b49d6c23b70e16a51d60dadad866fd46fb |
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