MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1204.002 User Execution: Malicious File
This PDF document was flagged by multiple heuristics as malicious, including ML classification and ClamAV detection. It contains numerous embedded URLs, many pointing to disposable hosting, and exhibits characteristics of a link farm. The document's content and heuristics indicate it's designed as a lure, either for a callback phishing scam or to trick users into installing remote support tools. The presence of multiple external URIs and the 'remote-support-tool-lure' heuristic strongly suggest the document's intent is to facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/strik?utm_term=is+there+a+battery+in+sodastream PDF link annotation
- http://medicinfo.online/ryobi_battery_wont_charge_40v4yjrg.pdfIn PDF document text
- http://zivuzatilezepe.22web.org/line_6_spider_2_headphones.pdfIn PDF document text
- https://cdn.sqhk.co/sogefuluf/jajfJhh/53949358778.pdfIn PDF document text
- https://cdn.sqhk.co/pijavagoke/ihjicgj/dune_release_date_change.pdfIn PDF document text
- https://cdn.sqhk.co/tijinujul/hbOahgu/15726408111.pdfIn PDF document text
- http://nomevufaneboja.mypressonline.com/alastair_reynolds_house_of_suns.pdfIn PDF document text
- https://cdn.sqhk.co/vujenibolo/jicjfIv/mazamunuxe.pdfIn PDF document text
- https://cdn.sqhk.co/notizejamebo/ebhc3if/music_player_s10_s10_style_edge.pdfIn PDF document text
- http://befenero.22web.org/lidugamawitiriroxaz.pdfIn PDF document text
- https://cdn.sqhk.co/ninevowa/J2wgchi/guia_ceneval_exani_ii_2019_contestada.pdfIn PDF document text
- http://neojust.ru/my_little_pony_in_the_sims_descargars7uf7.pdfIn PDF document text
- http://delaem-sami.online/89278560799f1q5v.pdfIn PDF document text
- http://josamaduxano.22web.org/wukomaga.pdfIn PDF document text
- https://cdn.sqhk.co/detaludolef/dij4sec/60535957575.pdfIn PDF document text
- https://cdn.sqhk.co/duzemata/biihjf9/splashtop_streamer_exe_download.pdfIn PDF document text
- http://pankreatitum.ru/bapunovodj871y.pdfIn PDF document text
- http://welowokekoxifa.iblogger.org/what_foods_can_you_eat_on_the_17_day_diet.pdfIn PDF document text
- http://ligugiban.scienceontheweb.net/a_geek_in_japan.pdfIn PDF document text
- http://italia-doc.space/Aditi_gupta_y_harshad_chopra_estn_cw0ziq.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tezebidurob.epizy.com/videoshow_pro_apk_free_latest_version.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_off0000e543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE543 | 5212 bytes |
SHA-256: 63c223af090f824ba1e13ce4b6cec494a6f5944c049204fddfde38de8c06f2c0 |
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font_01_sfnt_off0000f6d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D1 | 11620 bytes |
SHA-256: 1e04fce876d93035e626d6fa808445c01b2d4b825d97f399aa60483dbf053581 |
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