MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm and an SEO redirector disguised as a guide for game hacks. The primary malicious URL, 'https://gimoguvi.ru/strik?utm_term=how+to+get+ice+hacks+on+surviv.io', is used as a lure. The PDF also contains numerous other links, many pointing to S3 buckets, suggesting an attempt to blend malicious content with benign-looking files. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://gimoguvi.ru/strik?utm_term=how+to+get+ice+hacks+on+surviv.io PDF link annotation
- https://gabofulonu.weebly.com/uploads/1/3/4/7/134730366/180ab7bfd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453344/normal_5fe5475a46b25.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408176/normal_60689c96641c9.pdfIn PDF document text
- https://gazezujebek.weebly.com/uploads/1/3/4/8/134881616/7843998.pdfIn PDF document text
- https://defupaga.weebly.com/uploads/1/3/2/6/132681490/2114616.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480735/normal_604420c71e116.pdfIn PDF document text
- https://murunabijijot.weebly.com/uploads/1/3/5/4/135401069/savafiribu.pdfIn PDF document text
- https://rupuxiziwaxez.weebly.com/uploads/1/3/4/7/134765543/kozakuxumubu-risaganefo-xezemakaxejax.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://s3.amazonaws.com/pazatuv/bcdedit_set_useplatformclock_default.pdfIn PDF document text
- https://s3.amazonaws.com/vixuwogetiv/face_beauty_camera_apk.pdfIn PDF document text
- https://s3.amazonaws.com/tabobujimo/bottomsheetdialogfragment_rounded_corners.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/2013_jeep_grand_cherokee_overland_5.7_hemi_specs.pdfIn PDF document text
- https://s3.amazonaws.com/jasadavebaga/51902812713.pdfIn PDF document text
- https://s3.amazonaws.com/lijopavexanuse/xogomuzepifetuwamevovad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eec0a095-b67e-4b27-a4db-94ec9accca8c/what_engine_does_a_ford_ranger_have.pdfIn PDF document text
- https://s3.amazonaws.com/risisipajole/how_a_cool_mist_humidifier_works.pdfIn PDF document text
- https://s3.amazonaws.com/pipaneku/73293368051.pdfIn PDF document text
- https://s3.amazonaws.com/tamovagag/insuficiencia_cardiaca_aguda_fisiopatologia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c42f58e-f5de-4d9c-833d-6552a5e94b12/stock_market_hours_today_pst.pdfIn PDF document text
- https://s3.amazonaws.com/somisilegex/29311955808.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_off0000e5da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DA | 5120 bytes |
SHA-256: 6b8357d86d57bdfa5378761bf4f37935c177ec2bcd49d3c91771753f118825eb |
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font_01_sfnt_off0000f758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF758 | 11924 bytes |
SHA-256: 4ec51d2aa13fa81ab4bc82e2b3b1910ead82168ed280c97afd7347782bd88031 |
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font_02_sfnt_off00011eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB0 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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