MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains a link disguised as a download button, which redirects to a known malicious URL. The document body is heavily obfuscated, but the presence of a malicious redirector and the ML/ClamAV detections strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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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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://dafemum.ru/strik?utm_term=spaghetti+in+a+hot+dog+bun+lesson+plan+pdf In PDF document text
- https://cdn.sqhk.co/kopizikob/jhPRhhc/kingdom_warrior_mod_apk_money_android_1.pdfIn PDF document text
- https://cdn.sqhk.co/ruweragi/jbidXNe/tuzuxipet.pdfIn PDF document text
- https://cdn.sqhk.co/votojuxosaf/hig7Ngc/outlook_2016_tasks_not_showing_in_todo_list.pdfIn PDF document text
- https://cdn.sqhk.co/pobijejok/jhazhhk/wordpress_admin_login_not_working_after_migration.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/kumasala/which_of_the_following_statements_concerning_a_monopolistically_competitive_industry_is_correct.pdfIn PDF document text
- https://s3.amazonaws.com/tuzakifezara/something_anything_nothing_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/ronatiduzoxij/wekuvuxigamal.pdfIn PDF document text
- https://s3.amazonaws.com/piradi/kamube.pdfIn PDF document text
- https://s3.amazonaws.com/muwemivumazulax/how_do_you_become_a_caregiver_on_care.com.pdfIn PDF document text
- https://s3.amazonaws.com/petuzutemixuvod/21791313204.pdfIn PDF document text
- https://s3.amazonaws.com/wapabefizosumi/xomudi.pdfIn PDF document text
- https://s3.amazonaws.com/nodetuxapabara/68206673728.pdfIn PDF document text
- https://s3.amazonaws.com/forupokisip/35910123726.pdfIn PDF document text
- https://s3.amazonaws.com/naxozelozude/94379656331.pdfIn PDF document text
- https://s3.amazonaws.com/dazinibonofobi/7_years_remix_sik_world_lyrics_clean.pdfIn PDF document text
- https://s3.amazonaws.com/nowokil/4488929923.pdfIn PDF document text
- https://s3.amazonaws.com/vuxagixil/organization_structure_powerpoint_template.pdfIn PDF document text
- https://s3.amazonaws.com/faxaxos/font_berlin_sans_fb_demi_bold.pdfIn PDF document text
- https://s3.amazonaws.com/tokudapele/zotogepetugifavefog.pdfIn PDF document text
- https://s3.amazonaws.com/xeruxaxer/us_anthem_piano_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/farefasejikap/56714097388.pdfIn PDF document text
- https://s3.amazonaws.com/luxelula/vebefugirudot.pdfIn PDF document text
- https://s3.amazonaws.com/sefipa/86547860944.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f45a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45A | 5448 bytes |
SHA-256: ec47e7c5ebe0de358b3f48a13dbaa55435a4cf6e521db8a6a461f186c89f72c6 |
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font_01_sfnt_off000106da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DA | 11304 bytes |
SHA-256: df218937554fd97cc03ec0d2f9e534b94df0537aa83ef0a3d4a795e1560911f4 |
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font_02_sfnt_off00012d92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D92 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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