MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, indicative of an SEO link farm. The primary URL, 'https://gimoguvi.ru/strik?utm_term=8-4+skills+practice+trigonometry+worksheet+answers', suggests a lure to disguise the malicious intent. ClamAV and ML heuristics confirm its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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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://gimoguvi.ru/strik?utm_term=8-4+skills+practice+trigonometry+worksheet+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4444884/normal_60301ed1c0f1b.pdfIn PDF document text
- https://depuxibuf.weebly.com/uploads/1/3/4/7/134762413/gekoxuvekow-wesemivuwaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454562/normal_60679c665e287.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420592/normal_601207b2e8419.pdfIn PDF document text
- https://nigejozezasila.weebly.com/uploads/1/3/4/7/134768622/7771400.pdfIn PDF document text
- https://newadagunezadev.weebly.com/uploads/1/3/4/6/134684801/3520569.pdfIn PDF document text
- https://kivobuduzuv.weebly.com/uploads/1/3/0/7/130739084/6132875.pdfIn PDF document text
- https://bedakowunuva.weebly.com/uploads/1/3/4/3/134342711/zatetokilonujubowe.pdfIn PDF document text
- https://gefawopunov.weebly.com/uploads/1/3/0/9/130969454/5155555.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477629/normal_6015d69d99532.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420438/normal_5ffe54ed45a86.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473645/normal_60020a34277e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408875/normal_603b763c07c53.pdfIn PDF document text
- https://pekosorevonoxa.weebly.com/uploads/1/3/0/7/130739373/soveziwudodete-nepawezobofoz-madovodujonuzef.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416671/normal_5ff107b835e0f.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://uploads.strikinglycdn.com/files/d9129e70-205c-418c-8db4-1b57d92d892e/dagetenupem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a0e6929-277f-45b5-88bf-ac9ae4766f08/how_to_use_a_slow_cooker_for_pork.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3526fd0-9623-4806-9862-f5dc844a53ea/64804800752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4161f3c-5f49-4d6d-9709-234d4a1ad5b8/wosuwarewovimaninuvozo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d33e768d-1d59-464a-9989-6e850eac6d38/chicago_electric_10_inch_tile_saw_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a1aa5b6-ff89-4e4a-abaa-d98e76228124/dewinilubutopedi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e60acc13-1ca5-4982-ba35-4adf515775ed/taranis_qx7_case.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9f7707c-f339-4534-b9d8-b2f7243b7749/is_the_myer_briggs_test_accurate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e446a4e6-5c9f-4225-a15d-a3229149ff8c/when_a_man_loves_a_woman_percy_sledge_download.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_off00010c4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C4C | 5612 bytes |
SHA-256: 065a876587aa91ea453c52738a19d8b2defaa44331d6955f46191afe4411a25b |
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font_01_sfnt_off00011f43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F43 | 10876 bytes |
SHA-256: ef0c7b7ad334fcaa62c2224c4aa581d9f37cec7cbefd12b12956dacc185d16ce |
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font_02_sfnt_off0001448a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1448A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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