MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains multiple embedded URLs, one of which, 'https://druttle.ru/strik?utm_term=escala+maslach+burnout+inventory+general+survey', is presented as a survey. The PDF also utilizes a link farm on disposable hosting, indicating a likely attempt to obfuscate malicious destinations. No scripts were extracted, but the overall structure and heuristics point to a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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://druttle.ru/strik?utm_term=escala+maslach+burnout+inventory+general+survey PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376372/normal_5fc7e61c50d8f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465386/normal_6000ec57a65a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365586/normal_602d46e40c2d6.pdfIn PDF document text
- https://cdn.sqhk.co/bofepefurep/zgcjfaZ/worldview_satellite_imagery.pdfIn PDF document text
- https://cdn.sqhk.co/bisuligiga/v72gfge/cordial_cherries_recipe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393044/normal_5fcf3079f2830.pdfIn PDF document text
- https://cdn.sqhk.co/femokuxajuz/jgI1hyh/bike_stunt_game_for_free.pdfIn PDF document text
- http://fanilobepewe.sportsontheweb.net/6955902645.pdfIn PDF document text
- https://cdn.sqhk.co/bozogekeji/xtyic7b/vasavakodimud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://lowuguja.myartsonline.com/newek.pdfIn PDF document text
- https://s3.amazonaws.com/xifabilejilab/49730158244.pdfIn PDF document text
- https://s3.amazonaws.com/mejados/88798101071.pdfIn PDF document text
- http://taduxefi.epizy.com/useful_synonyms_for_ielts_band_9.pdfIn PDF document text
- https://s3.amazonaws.com/lusabifef/battleground_crossbows_and_catapults_rules.pdfIn PDF document text
- https://86cafecd-0af7-43e6-b578-14605c742a6c.filesusr.com/ugd/c4ddd0_e628cc1d08474db88a2815e97a8cc641.pdf?index=trueIn PDF document text
- http://zatesivixif.epizy.com/basics_of_ms_excel.pdfIn PDF document text
- https://b47237a6-1880-4d87-9598-f01162bab054.filesusr.com/ugd/1fe0ea_197379305d8f44088946b0ad9aba72e6.pdf?index=trueIn PDF document text
- http://wixilapawatos.epizy.com/all_sat_tests_reddit.pdfIn PDF document text
- https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_c8715efdf43943079b6d75c9f0cf3063.pdf?index=trueIn PDF document text
- http://suwetiwojiza.rf.gd/c_c_renegade_patch_1._037.pdfIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_d251581076a8415893cf8dc41f44164c.pdf?index=trueIn PDF document text
- https://83d12552-0bc1-4415-b221-1da25caacb9b.filesusr.com/ugd/1e11d0_a4d979462d3e4feb97bb130d5facb937.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fujadabez/dbz_android_17_voice_actor.pdfIn PDF document text
- https://s3.amazonaws.com/wuniku/badfinger_albums_free.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018df6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DF6 | 5356 bytes |
SHA-256: deb49e6ad2940ec2f49215c1f5d1db6b7ffec4ddd384a3bb005dbfa74df7c7ea |
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font_01_sfnt_off0001a00d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A00D | 15664 bytes |
SHA-256: 9a8089ed3ad8984970a1f69b703b59e099149ed425ad908eeaa47fe6556e5a0e |
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font_02_sfnt_off0001cf37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CF37 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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