MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high-severity heuristic indicating it's an SEO UTM redirector link, disguised as a worksheet answer key, leading to the URL https://golowaki.ru/wix?keyword=modern+marvels+acids+worksheet+answer+key. ClamAV also detected this file as Pdf.Phishing.Trojan. The ML classifier output of 0.976 further supports its malicious nature. The document body is heavily obfuscated, but the presence of external links and the ClamAV detection strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9760
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://golowaki.ru/wix?keyword=modern+marvels+acids+worksheet+answer+key PDF link annotation
- https://cdn.sqhk.co/rodoruwuwab/NXPKGjc/26502976932.pdfIn PDF document text
- http://baby-slings.ru/25070255576sd87g.pdfIn PDF document text
- http://firstflirts.site/5267764718947jgt.pdfIn PDF document text
- http://phillipen.online/native_instruments_maschine_mikro_mk3_usedpu9uz.pdfIn PDF document text
- http://br1.red/warehouse_safety_bulletin_board_ideasvbcvo.pdfIn PDF document text
- https://cdn.sqhk.co/rorajakura/bGiegjq/download_crack_city_car_driving_1._5._8.pdfIn PDF document text
- http://cz-nitrof.website/cardinal_and_ordinal_numbers_chartetu1f.pdfIn PDF document text
- https://cdn.sqhk.co/naxisedomak/aWgegdh/super_idle_hero_lumberjack_adventure_pigeon_forge_tn.pdfIn PDF document text
- https://cdn.sqhk.co/wetilusogaki/gVCigIU/fumukezirovumetipesirarof.pdfIn PDF document text
- https://cdn.sqhk.co/motulobugaji/fLjiLgd/39582425137.pdfIn PDF document text
- http://toppiksnack.xyz/dunkin_donuts_iced_coffee_calories_with_almond_milkaecjj.pdfIn PDF document text
- http://shoppermarket.online/wajuzusoranetn2vol.pdfIn PDF document text
- http://kittyplay.online/how_to_find_number_of_atoms_in_a_given_massyhczr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/savukojubusum/what_is_the_main_idea_of_the_book_enemy_pie.pdfIn PDF document text
- https://s3.amazonaws.com/liwara/87708572898.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ade9acfc-471a-46ac-8f54-29c6d91f0aea/68917364875.pdfIn PDF document text
- https://s3.amazonaws.com/fasudikek/pedidomo.pdfIn PDF document text
- https://s3.amazonaws.com/fuwawibu/20642039687.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3832be51-43f6-43f5-9431-af4099fb5f9a/spyhunter_4_full_download.pdfIn PDF document text
- https://s3.amazonaws.com/defujo/advantages_of_labour_relations_act_in_south_africa.pdfIn PDF document text
- https://s3.amazonaws.com/takebemanijewok/bsf_pay_slip_information.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c77eb98f-27b8-4d22-ad95-37b6bde82d91/mn_dmv_drivers_license_record.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86d944d8-f640-468c-b5f3-7021728c7915/97514746645.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/112f0e0a-da64-494f-bfff-53fc0e33c0db/zexuxirevadamiriza.pdfIn PDF document text
- https://s3.amazonaws.com/vidadaviwal/zoninaxunano.pdfIn PDF document text
- https://s3.amazonaws.com/filidabut/weferexikug.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c6d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C6D3 | 17244 bytes |
SHA-256: 1345cb64ee5eb8981adad2adff2e63d991eed12da45589f2e996591b6fec46a0 |
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font_01_sfnt_off0001fdf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FDF8 | 5504 bytes |
SHA-256: c1c279315ee8b0bda2e821d1cab61c380817de061b89494e3d35575c492a01ed |
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font_02_sfnt_off0002109c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2109C | 1800 bytes |
SHA-256: 6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee |
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font_03_sfnt_off0002192c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2192C | 13264 bytes |
SHA-256: 252069df9f8ae51006e7682c5eaaa1186e404b9b5482e9a68d6e3a9b76920885 |
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