MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, including one pointing to a link farm on disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://leonvi.ru/award?keyword=sample+appointment+letter+format+pdf PDF link annotation
- http://whitecheat.xyz/amazon_wordpress_hosting_pricingxyhw9.pdfIn PDF document text
- http://nudistoff.club/what_is_another_word_for_held_captivefb3cc.pdfIn PDF document text
- https://xojajulu.weebly.com/uploads/1/3/1/3/131382271/9616732.pdfIn PDF document text
- https://kojepogezoxuta.weebly.com/uploads/1/3/4/4/134487575/fijotilijuxe.pdfIn PDF document text
- https://cdn.sqhk.co/sofizagumup/hNhcdhc/siwokaxapuvusate.pdfIn PDF document text
- https://cdn.sqhk.co/luwagoma/Djejbji/zizobejizemubiji.pdfIn PDF document text
- http://fbdirect.site/tp-link_smart_wi-fi_plug_hs100_twin_kitp6dik.pdfIn PDF document text
- http://tevfikyuce.xyz/87396775712rphc.pdfIn PDF document text
- https://cdn.sqhk.co/niminililez/Fhcjj7m/hobby_lobby_black_friday_ad_2019.pdfIn PDF document text
- http://odemebayisitrafik.com/taweveb3moyx.pdfIn PDF document text
- https://lebotowim.weebly.com/uploads/1/3/1/4/131438344/vedez.pdfIn PDF document text
- http://snegny.com/oracle_12c_sql_chapter_6_hands_on_assignments_answersl1s75.pdfIn PDF document text
- https://napumijuvof.weebly.com/uploads/1/3/4/7/134758185/zejofasiguxo-pafoxekewej-jukanilodama-xoradamop.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kupikobu.epizy.com/zefunerovomadewigaf.pdfIn PDF document text
- http://jawigunomuj.epizy.com/89671910883.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a1d7cfd-8faf-41a0-b9dc-4d3f8fca89f8/gluten_free_fast_food_options_australia.pdfIn PDF document text
- http://tofepabozamawur.epizy.com/the_last_song_movie_online_free_with_english_subtitles.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6d7978a-61e0-493e-9cd6-5b4e4fb496d8/frases_del_libro_amante_japones.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49f6fee9-ff94-4382-a959-c5c19136dd38/3081583454.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f00a8c9a-ec08-420a-84bd-d16185a954c3/journey_to_the_center_of_the_earth_2_full_movie_in_tamil_download_isaimini.pdfIn PDF document text
- http://gomaxuxibofetap.epizy.com/manual_autocad_2020_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfc3bab6-c9da-4147-9ec5-bb5d361e0de5/mofisijevujoguv.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_off0000f0c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C1 | 5112 bytes |
SHA-256: fcaf22029a0b6b45a0cad48545e14a9cfcb4b53932c94b4b36743724ddbc5b98 |
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font_01_sfnt_off0001020e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020E | 11056 bytes |
SHA-256: 21b9fd2910392601bca920baae485e098287fd90b0d25720205df6e679137a24 |
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