MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, also contains URLs that are likely part of a link farm designed to lure users to malicious sites. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is used for malicious redirection.
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/wb?keyword=sandhya%20namam%20rama%20rama%20pahimam%20lyrics%20in%20malayalam%20pdf In PDF document text
- http://files.lehrco.com/uploads/1/3/2/6/132683357/kesinujaved-javirirevezok-tegone-turebapas.pdfIn PDF document text
- http://files.cafedatalkalamode.com/uploads/1/3/1/4/131483550/3bbbf7.pdfIn PDF document text
- http://files.bostonwomensleague.com/uploads/1/3/1/3/131378975/jubaxobavudesesaw.pdfIn PDF document text
- http://files.ballfamilyqt.com/uploads/1/3/1/4/131454505/ae6fa8423088159.pdfIn PDF document text
- http://files.prepvisionconsulting.com/uploads/1/3/1/8/131871480/sisivadilofalaveza.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0813/1233/files/17554444757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/49879661480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/xibuwukavematozuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6241/8846/files/kekesisadifusupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/devedipemimom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1123/4197/files/tevunasegodawej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/lolakijovojajesam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2160/6817/files/wutabixixev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3071/6322/files/72345255040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/58639172288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/28181788127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/jejagepuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6622/8898/files/44761153823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9963/4330/files/puxogezigedim.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6821 | 5600 bytes |
SHA-256: e42bbfb42ec2d153af8a809d8d49aa595673b0394c1f926e53be359c2b40ac3c |
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font_01_sfnt_off00007afd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AFD | 2560 bytes |
SHA-256: d4b1519fe96f599e2717cc7bfb3559e5cf6f44ec269a33c425868bd15ed3a1da |
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font_02_sfnt_off00008533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8533 | 14316 bytes |
SHA-256: 63ed6dd4ef841867fbf3cfcc5883b9c7bce89af49e5c7aadbdd261bfafe5594a |
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