MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file, likely serving as a lure to download further payloads or redirect to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://zajinet.ru/aws?utm_term=hp+battery+not+charging+to+100 PDF link annotation
- http://ledimpress.biz/apne_name_ka_dj_song_app_downloadpo7br.pdfIn PDF document text
- https://buzufurabobozu.weebly.com/uploads/1/3/5/3/135304208/nijomebuf_tizemubari_nuxovogolibotin.pdfIn PDF document text
- https://lareduna.weebly.com/uploads/1/3/1/4/131453109/3380376.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489724/normal_5fe8f23bbd37d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496170/normal_6036ce8e56304.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490001/normal_6032cf22802f4.pdfIn PDF document text
- http://natural-shop.info/lirukudasofaw87fai.pdfIn PDF document text
- http://piwulag.sportsontheweb.net/nubosojumaxupivisalata.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459326/normal_5fe22ddf815da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489601/normal_600d3908246df.pdfIn PDF document text
- http://vinnipoh.space/nfl_week_6_injury_report_2019y7iwq.pdfIn PDF document text
- http://kedepoba.sportsontheweb.net/steps_to_personal_revival_sda.pdfIn PDF document text
- https://gelejidog.weebly.com/uploads/1/3/4/6/134688201/b71db675ababba8.pdfIn PDF document text
- http://siteznakomstv69.space/street_food_truck_quick_restaurant_chef_fast_food94hs2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417808/normal_60395aa945422.pdfIn PDF document text
- http://jiteruruw.sportsontheweb.net/que_es_el_analisis_foda_personal.pdfIn PDF document text
- https://kijemaroxajum.weebly.com/uploads/1/3/5/3/135397629/sewinijo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464524/normal_60370b36d7a63.pdfIn PDF document text
- http://joxezorov.mywebcommunity.org/zanuvikubuxij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498345/normal_5fd2f983cb2ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/015c7437-ec83-4bdb-83fb-335fec366d41/dizofuruwebugobuludomi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79e0334b-ba28-4b93-b703-19168f327d44/convertir_pulgadas_en_centimetros_cuadrados.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c17e985-a441-486e-9254-ad933f149d15/talujatovekisorajorun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc73da98-5d4b-471d-b009-90a5140017c1/how_to_use_blender_minecraft_animation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b672fbb-0a6c-46e1-a139-3cd889f3d5f1/bubezumuliju.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_off0000ef21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF21 | 5384 bytes |
SHA-256: 7be71585c29ea828f940f6cbc62905eccfd7f2d7e216f485698d0aac418fcecb |
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font_01_sfnt_off00010177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10177 | 11084 bytes |
SHA-256: 2bd6336e4a0595576a5b776be6e8e0d8ef7b7fba26a4790ce965e46eef80cdae |
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