MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The embedded URL and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggest a lure to download potentially malicious software, disguised as a legitimate download for Adobe Acrobat Reader. The document body, though heavily obfuscated, contains references to 'Adobe acrobat reader dc full setup download' and 'wkhtmltopdf', reinforcing the download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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://laborke.ru/pbw?utm_term=adobe+acrobat+reader+dc+full+setup+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449419/normal_6023db9a9c08b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481056/normal_5fffbebe1f8ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501041/normal_60601dab97881.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405179/normal_5ffff6c764086.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466661/normal_60145f3096ebb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366395/normal_5fcee8d5373bc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425723/normal_600dd90ac31de.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480170/normal_60ba318fd6516.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gepaduluvet.pbworks.com/f/classical_dynamics_of_particles_and_systems_portugues.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fe3a6ad-4e81-4cc2-ae39-5608545f1185/how_to_get_initial_velocity_without_time.pdfIn PDF document text
- http://wamotarirup.pbworks.com/f/cambridge_english_empower_b2_teachers_book_free_download.pdfIn PDF document text
- http://pakesobiroge.pbworks.com/f/what_are_the_ten_commandments_in_the_catholic_bible.pdfIn PDF document text
- http://zufogopojut.pbworks.com/f/anomaly_scan_normal_report_details.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d8e30e2-e518-4bae-91f2-22880b5dc5e2/30753467953.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ec54ba4-2a17-429f-ad00-82140ce938d2/31691568145.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/488c3b63-1047-4115-91cc-6ed96169329d/unidades_de_longitud_del_sistema_ingles_y_sus_equivalencias_del_sistema_internacional.pdfIn PDF document text
- http://wojipag.pbworks.com/w/file/fetch/144574377/duzuvenodofeme.pdfIn PDF document text
- http://wuxikadafi.pbworks.com/w/file/fetch/144566655/how_to_set_temperature_of_dawlance_refrigerator.pdfIn PDF document text
- http://wiwedano.pbworks.com/f/fumebinitoxirifex.pdfIn PDF document text
- http://lokiboz.pbworks.com/w/file/fetch/144636390/kis_kisko_pyaar_karoon_full_movie_hd_download_free_filmywap.pdfIn PDF document text
- http://jolowajuwijo.pbworks.com/f/download_game_gta_san_andreas_android_apkdata_200_mb.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e5de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DE | 5372 bytes |
SHA-256: 9efbd084c381111876e003684b80191fcc8da025e553816ce4cedffc2c0bde4e |
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font_01_sfnt_off0000f839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF839 | 2960 bytes |
SHA-256: eef6332b6db7903a8c23a2ded0ba0bd9c4e4f60fcf80b7e963e656345aa0170f |
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font_02_sfnt_off00010397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10397 | 10532 bytes |
SHA-256: df72f309ef0d56d68f2ca55c147dc7539b2de7f2861500a10bb3b385734a08a2 |
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font_03_sfnt_off000127f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127F0 | 16708 bytes |
SHA-256: d678694b1825a699e3065f6f5742ba74a24980f12306e3299f9d456e387427d1 |
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