MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains numerous embedded links, many of which point to redirectors and SEO link farms, indicating a phishing or malware distribution attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM strongly suggest malicious intent. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the document's structure and embedded URLs are indicative of a lure to download potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://crophysi.ru/123?utm_term=root+checker+pro+apk+android In PDF document text
- http://silujokiz.mypressonline.com/10_class_biology_text_book.pdfIn PDF document text
- https://cdn.sqhk.co/poronujefino/hjJjjyq/exercise_bouncy_ball_with_handle.pdfIn PDF document text
- https://cdn.sqhk.co/fufigavaki/jcijijg/sepogiro.pdfIn PDF document text
- https://cdn.sqhk.co/sepufaziru/ficgiH2/2580434117.pdfIn PDF document text
- https://cdn.sqhk.co/tuwagezo/SPGD1hi/dudomedufimalabujiwedamor.pdfIn PDF document text
- https://cdn.sqhk.co/samekikogeri/TYiagg7/92821325127.pdfIn PDF document text
- https://cdn.sqhk.co/dikapagoloza/jdhgzL0/pigos.pdfIn PDF document text
- https://cdn.sqhk.co/jifibipex/dPMugj8/clash_of_clans_update_leaks.pdfIn PDF document text
- https://cdn.sqhk.co/zixapegof/djgchhg/create_device_manager_shortcut_windows_10.pdfIn PDF document text
- https://cdn.sqhk.co/luwiwaduna/Gjfhahf/5_healthy_eating_tips_for_the_holidays.pdfIn PDF document text
- https://cdn.sqhk.co/wemitupu/ibiiwxa/geometry_dash_meltdown_hack_apk_download.pdfIn PDF document text
- https://cdn.sqhk.co/jomububorava/hj4gjjj/xafojukuw.pdfIn PDF document text
- http://labifovejes.mypressonline.com/business_organisation_and_management_download.pdfIn PDF document text
- https://cdn.sqhk.co/mewivupa/Aegjje0/table_tennis_racket_shop_near_me.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/61ae1ec7-10d8-4099-9e89-5470a0209362/what_kind_of_jobs_are_available_in_the_navy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/676ea1c5-82ae-4d0e-9a0b-e007ff1c0fd2/33620246459.pdfIn PDF document text
- http://wodowepakimeko.onlinewebshop.net/role_of_protected_areas.pdfIn PDF document text
- https://76bf09fe-c378-4d6f-baa9-beaf48595a8b.filesusr.com/ugd/61567a_232d0e18e1cf43a59a491d4393cfeff0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f7ad28b9-a8c9-4d60-ae8f-44172df3f0a8/zasaxolaxu.pdfIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_1eee1919c69e47e9aaf7b40981f997f2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/674e5383-91e0-484b-b48c-2391a23db55a/42281183417.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_off0000f472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF472 | 5020 bytes |
SHA-256: deb98ff6480854a89b781c80e354a4aee9e37bdaa9b1572dacf6852900a81aaa |
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font_01_sfnt_off00010580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10580 | 10776 bytes |
SHA-256: c2cee568c847c53afb12cde26e0a17589fb0c000d719308ccbd22ca6bcfae4b4 |
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