MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a phishing or redirection scheme. The primary lure appears to be a fake download for a 'hematology atlas', likely to trick users into visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://pelibifir.ru/award?keyword=hematology+atlas+pdf+free+download PDF link annotation
- http://zurabutodiriwa.22web.org/xofixujupilipaj.pdfIn PDF document text
- http://copyright-supporthelp.com/52772967172gflw4.pdfIn PDF document text
- http://rapalafipotofuw.iblogger.org/fibrosis_qustica.pdfIn PDF document text
- http://nakapugevonisu.iblogger.org/gizuzuzoguze.pdfIn PDF document text
- http://kozovuxe.22web.org/assassin_s_creed_odyssey_engraving_guide.pdfIn PDF document text
- http://metryck.info/canopus_edius_6_full_freenyj97.pdfIn PDF document text
- http://top-odejda.com/the_heiress_movie_2019_imdblwioe.pdfIn PDF document text
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.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
- https://d0fd53c2-66a5-49f7-a942-a4bfc50892a3.filesusr.com/ugd/11baf9_8206a61b06f6434abd375fb68a1c0d35.pdf?index=trueIn PDF document text
- http://mivoxonewume.rf.gd/44921492698.pdfIn PDF document text
- http://lamaluxazati.epizy.com/letter_from_a_birmingham_jail_text.pdfIn PDF document text
- https://e60c805d-b9e1-47fc-b045-983511e9ac1f.filesusr.com/ugd/116bb2_6c3475f0f0af482ca73f95d1cd7904bd.pdf?index=trueIn PDF document text
- https://c183b790-cb34-49aa-848e-1a9f2b14dda3.filesusr.com/ugd/d8966e_31eb3ba0ac874a579799532f400dcdc1.pdf?index=trueIn PDF document text
- http://zoguwazor.epizy.com/rockstar_social_club_max_payne_3.pdfIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_38bf943d589f401f965ad1a0a94a5295.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9449aeda-75fb-4f6e-ad87-a380c45a9b6b/venodosoferofazemakovinel.pdfIn PDF document text
- https://013c3ecd-17dd-4738-ad87-554153c764a5.filesusr.com/ugd/36f25b_61036769e8ce44cd9f2bae2cfa8f041d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f801151c-1ca0-4ab6-8009-67e98da196c1/who_plays_ben_in_the_5th_wave.pdfIn PDF document text
- https://5fb42ee6-a9be-400a-98f2-f9d4b9f720c8.filesusr.com/ugd/1813b3_e4fc52901d7644a39cd8236dc2d97362.pdf?index=trueIn 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_off0000ecd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD7 | 5256 bytes |
SHA-256: 795eb71dc5bda5bdcbdb43da8e5cbf557bb0405463e300e779fb3a2b484288c7 |
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font_01_sfnt_off0000febc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBC | 10980 bytes |
SHA-256: e3627e90837e14b4929511be6d6e6bbf515cb0cd0bb5cd46de84bcff4a597515 |
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font_02_sfnt_off00012465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12465 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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