MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The embedded content, though heavily obfuscated, appears to be related to the deceptive title, further supporting the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xajibur.ru/strik?utm_term=what+is+the+difference+between+japanese+and+chinese+language+characters PDF link annotation
- https://cdn.sqhk.co/bonosexov/hiijdTQ/shipwrecked_egg_harbor_fire.pdfIn PDF document text
- http://poopo.ru/tonusetopakifomusoroksr7x5.pdfIn PDF document text
- http://itsamorem.com/segibuj7k7ty.pdfIn PDF document text
- https://cdn.sqhk.co/vudupapuj/jihsjcx/kigej.pdfIn PDF document text
- https://cdn.sqhk.co/lagusive/Ljdgehf/super_mario_maker_2_level_editor_online.pdfIn PDF document text
- https://cdn.sqhk.co/bunorebegoji/3idihgf/mapobetizuduzejusado.pdfIn PDF document text
- http://kdghy.online/12306451893kzvob.pdfIn PDF document text
- http://comp-arenda.site/junogupuxadap73ben.pdfIn PDF document text
- http://ewwe.space/adjprog_epson_l120_freel7dvl.pdfIn PDF document text
- http://golden-bridge.pro/dallas_county_texas_sales_tax_rate_2019l4yvs.pdfIn PDF document text
- https://cdn.sqhk.co/zibepidok/jgsgchd/mafoxi.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/gezizefefififa/gossip_girl_season_2_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d925c291-ca45-4a7e-827c-76ad1752928d/how_to_learn_business_communication_skills.pdfIn PDF document text
- https://09972071-4174-499b-90b1-de3619f59f53.filesusr.com/ugd/d1c05f_d25fd7d93796478e8eccf4e83361451f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wizuluworafid/65408126382.pdfIn PDF document text
- https://4a5660cc-52a2-48ff-9acb-4b4f1704cb6e.filesusr.com/ugd/81868d_9b7472557e2144de898f4de2c7c08e58.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2070e922-ac6f-43ce-b8ee-d20741abfba7/the_birds_daphne_du_maurier.pdfIn PDF document text
- https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_e2eeba9679134357bd485cf183951bbe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e59a544e-fa15-4334-8aac-8ec13251286a/scansnap_s1300i_not_turning_on.pdfIn PDF document text
- https://bef89f6e-6323-4b84-ad9d-a44490bfcc4f.filesusr.com/ugd/96768c_2f32c8909f504c0d817b5465b97fcc1f.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_off0000e148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE148 | 7876 bytes |
SHA-256: b33e09ee5c2bfb5073bfad8b85d0f24af55acb4576e0f1ce6a3a5be21c6ff10d |
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font_01_sfnt_off0000fc34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC34 | 5736 bytes |
SHA-256: 79e26d7508e503195e5527d1a046d59e378f3ffdd5f4613859d9eba77672af6c |
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font_02_sfnt_off00010fdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FDB | 11012 bytes |
SHA-256: cca6a6c496bcd44c399dbb0012b180850719f5ba3e034cb399ff559d08b4a03f |
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