MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a phishing lure, specifically using an SEO redirector to disguise the malicious intent. The embedded URL points to a domain associated with phishing, and the document body, though obfuscated, suggests a lure for a worksheet. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://xajibur.ru/wix?keyword=compounds+names+and+formulas+worksheet+answers PDF link annotation
- https://cdn.sqhk.co/sowanigog/zIgehde/video_player_hdmi.pdfIn PDF document text
- https://cdn.sqhk.co/mobirewin/ijpjfAZ/faringitis_usu.pdfIn PDF document text
- https://cdn.sqhk.co/kefekawit/Eiciija/31903707271.pdfIn PDF document text
- https://cdn.sqhk.co/rolileduvof/Jgi2kha/fuvaru.pdfIn PDF document text
- https://cdn.sqhk.co/xivovido/ibvfsTl/oneplus_switch_app_data.pdfIn PDF document text
- https://cdn.sqhk.co/zojixemem/begejjR/daleza.pdfIn PDF document text
- https://cdn.sqhk.co/juxerawabuf/ggu72ii/31730633045.pdfIn PDF document text
- https://cdn.sqhk.co/nazopekujavi/heKThgy/77626635199.pdfIn PDF document text
- https://cdn.sqhk.co/mamevugixej/h2hinia/3959956010.pdfIn PDF document text
- https://cdn.sqhk.co/solumapidema/LibdicC/soxeribibirarodiguvamujar.pdfIn PDF document text
- https://cdn.sqhk.co/lexijunibul/jhjf8VY/download_shoot_bubble_extreme.pdfIn PDF document text
- https://cdn.sqhk.co/tetolonul/YSiiihn/19015066840.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/7a6f9c95-5e98-4d93-bad7-810a22dfd0aa/taradokafudalofekum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e336f10a-67af-4bd9-9474-c69270b2590b/special_right_triangles_word_problems_worksheet_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5067e29-ee4a-45cf-8c88-b5094ebf6cf3/financial_shenanigans_examples.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c987f8ab-bf44-4b1d-8db4-709afdb3c11d/how_to_reset_service_airbag_light_on_2007_silverado.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f329472e-e3b1-435b-9e16-6a73d5100315/defining_deviancy_down.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/516bcf98-ed64-4654-9a7e-ca08953dd1c7/98087587232.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6f7e775-4a5f-46ca-9457-2791a3686051/latipibi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58ee2b14-0773-4a8f-a753-7aa906804e43/vivint_thermostat_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26759a9c-4578-468f-93d9-95a71f26f7b2/89783828329.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9146a30b-ef9e-4620-9604-6fe9614a84be/918183328.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/556afb96-dc0d-48f6-83ba-f5d0e700f292/lokupuwowibuzer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4bbc3de-a77b-4197-81e2-ed97f50b8ec1/lidezirariwedolufag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/713d0be0-2ec0-48ce-aee3-886f284c6548/64195957683.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9d4d212-698d-4787-8f9b-38258f1a70e5/40249128920.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_off000100a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A9 | 5344 bytes |
SHA-256: 3f738fe11b13590ad6bfcad51cbed7af8e0485d795d7b8170b040e83a8f82634 |
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font_01_sfnt_off000112b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B8 | 11824 bytes |
SHA-256: 1db2c541434e78fe12301abd2c46e03ccef4062ea274cc925d68173503867049 |
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