MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 0.9993
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://jumiwimov.ru/strik?utm_term=how+can+you+tell+if+it%2527s+viral+or+bacterial+pneumonia PDF link annotation
- http://giwitap.getenjoyment.net/cambridge_english_advanced_trainer_answers.pdfIn PDF document text
- https://vakuvovigoder.weebly.com/uploads/1/3/4/4/134467198/e9f02.pdfIn PDF document text
- https://depesusexufajev.weebly.com/uploads/1/3/5/3/135351117/pijowukolonu.pdfIn PDF document text
- https://cdn.sqhk.co/mesafovojifo/gjakvpC/temple_run_2_game_app_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/vivijuzajus/i63fl2z/rurolobevagewujanulober.pdfIn PDF document text
- https://cdn.sqhk.co/bemaxopig/4lgjWid/tamejadidevof.pdfIn PDF document text
- http://nodefiw.medianewsonline.com/12432419891.pdfIn PDF document text
- https://wezusutuxalik.weebly.com/uploads/1/3/1/6/131637092/8f6c20a864.pdfIn PDF document text
- http://xtreme-sport.ru/scary_movies_on_hulu_august_2020k6mxy.pdfIn PDF document text
- https://pofitokibifezaf.weebly.com/uploads/1/3/5/3/135394855/toxepowakiwo.pdfIn PDF document text
- http://sandiego-podcasts.com/92674475620t7wca.pdfIn PDF document text
- https://cdn.sqhk.co/sedazozesufu/jbwLvic/lapadafojasenexikesam.pdfIn PDF document text
- http://bnl-jobs.com/the_art_of_seduction_audiobook_chaptersmkwxy.pdfIn PDF document text
- https://tukobigerokigab.weebly.com/uploads/1/3/4/6/134653943/tijixe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://99d0733d-4d0e-4d19-b238-fea6f81017ca.filesusr.com/ugd/e32e4a_dfeae7eb0dc44949885bf962feb510f4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/49ff9f65-2b00-4cf1-8782-7aa43be858d6/37312380182.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18bd2bba-d6a5-4106-9562-485f12acaba8/la_crosse_radio_controlled_clock_manual.pdfIn PDF document text
- https://c6111751-42b6-464f-a8b1-832d492ff999.filesusr.com/ugd/3d0627_d12290b44a1842cf93ed68e44e303c3c.pdf?index=trueIn PDF document text
- https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_10f481305f63469a8cb39394e8a7e03b.pdf?index=trueIn PDF document text
- https://d128792e-e0a8-46e0-98ed-b941f5da69b2.filesusr.com/ugd/b98abb_a559e1f9aa394dbaa543e6600921ac65.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/96744dac-5eb3-4378-a09a-c670baff2355/43808821605.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae3cf843-3360-40f7-b02d-121eef2bfce5/tufavufisigowosubigi.pdfIn PDF document text
- https://f405dec1-7f90-4f4c-a861-5286f67d0127.filesusr.com/ugd/ab922d_25d2b27ab7ce47c99c256e504d2e11f8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b50c332f-8a27-47fa-ba45-79eba0eabb1c/what_is_the_impact_of_globalization_on_organizations.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_off000114cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CF | 5548 bytes |
SHA-256: 7a9147c42d7d48e66176f09bd2d414b07ab26397984a930dab11e05df5644ea0 |
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font_01_sfnt_off000127c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C0 | 10696 bytes |
SHA-256: 8e12faa0f7cdcd7181bed6c2930261ddc88868a5f0f611c4531c09e415ea5d92 |
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