MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://kuzutuzo.ru/strik?utm_term=blind+date+with+a+book+canada PDF link annotation
- http://fajasated.mywebcommunity.org/73179577539.pdfIn PDF document text
- https://cdn.sqhk.co/fujikapoji/bLGjOEL/botaxoguwem.pdfIn PDF document text
- http://dusosax.66ghz.com/teaching_english_as_a_second_language_courses_tafe.pdfIn PDF document text
- https://cdn.sqhk.co/jirudumom/jfifie9/business_plan_quick_forecasters.pdfIn PDF document text
- http://basumoxivor.sportsontheweb.net/fedex_customer_service_number_tracking.pdfIn PDF document text
- http://xosuvirakogaf.iblogger.org/dajidimugejifabetanimaja.pdfIn PDF document text
- https://cdn.sqhk.co/fowijuseziju/eM6ije8/mimolikimitefagipo.pdfIn PDF document text
- https://cdn.sqhk.co/dokiladigana/76hbvbe/easy_voice_recorder_for_pc.pdfIn PDF document text
- http://nowukusox.mypressonline.com/the_bfg_movie_trailer_2016.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9907981b-0bc7-4fd3-a434-169f7cdadf42.filesusr.com/ugd/575363_00e2d202762649bd848e0cc9e7678f42.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jesidofefe/free_bootstrap_html_templates_2019.pdfIn PDF document text
- https://8eb0ff2f-1b5f-41fb-a82b-bf279dc7f43e.filesusr.com/ugd/868f76_ac5521f8b57e49dba155288647bf12ab.pdf?index=trueIn PDF document text
- https://64e1471b-64f8-4582-b127-b1692805dd1b.filesusr.com/ugd/507a3d_0c4b7eb3a3744c9d9284a5a48f3b6f54.pdf?index=trueIn PDF document text
- http://ganesuk.epizy.com/free_browser_vpn_for_mac.pdfIn PDF document text
- http://xejonitofopim.epizy.com/laboratory_report_9_integumentary_system.pdfIn PDF document text
- https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_1c26be3ec4c44975b22390633a7d5ada.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/mavafekimiduzixinimakam.pdfIn PDF document text
- https://089130c0-62ae-4bf1-a93c-656440fe8451.filesusr.com/ugd/738632_31cb0f9c86c44c288f3121b5c346947b.pdf?index=trueIn PDF document text
- https://121f8fc1-d270-4171-a721-8ccd656fc20f.filesusr.com/ugd/2ca22b_f4226fd5ab854e8b9c9c8d3e62bf6690.pdf?index=trueIn PDF document text
- https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_f714f0a0f292404287f93e17b1ee5558.pdf?index=trueIn PDF document text
- https://6a8c3f3f-5248-4e80-80e0-4bf2c04f72bc.filesusr.com/ugd/8b2c09_65597fb9145e4afa914ff5ef3a53ae15.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gosete/dukefixugenemujavozo.pdfIn PDF document text
- https://62abf401-5fc9-4991-ac00-cb6a0c8cf8ec.filesusr.com/ugd/e4ff69_59c4a8f256e6425482fd310bceee32b8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/daraniwekamidir/what_are_the_six_aristotelian_elements_of_dramatic_form.pdfIn PDF document text
- https://b32521b7-32ca-447e-9967-d27d0dce683d.filesusr.com/ugd/800b88_fe690d1e695e43399c9b37bf5226c00e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/feseni/garixatoxividasugisatup.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8A | 5100 bytes |
SHA-256: 9cdfa682c54b45e294b75d0c6d09c61bc5bc37ab7b7a3f0545413c2c1be9744e |
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font_01_sfnt_off000100f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F5 | 11176 bytes |
SHA-256: 25b65913fea22def3a4d4912e36bcd9f5c4e38d111a8a6d049df0af9dd248035 |
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