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 0.9996
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://soxebez.ru/strik?utm_term=design+and+control+of+concrete+mixtures+16th+edition+pdf+free+download PDF link annotation
- https://cdn.sqhk.co/bunewonu/dgcuKje/pipemepirakeduxixuxebaz.pdfIn PDF document text
- https://lobusuzagoti.weebly.com/uploads/1/3/4/4/134470260/188687.pdfIn PDF document text
- https://levarimabogi.weebly.com/uploads/1/3/5/3/135328943/975539.pdfIn PDF document text
- https://cdn.sqhk.co/vosiwuli/ghFhjdQ/83773113761.pdfIn PDF document text
- https://cdn.sqhk.co/karadirimose/mxgihfA/transparent_screen_phone_app.pdfIn PDF document text
- https://cdn.sqhk.co/letareximo/4jgehi4/ratanasefowikopirelapuxoz.pdfIn PDF document text
- https://mulaxenowaw.weebly.com/uploads/1/3/4/8/134862071/319a8d8fbdb5.pdfIn PDF document text
- https://sofifego.weebly.com/uploads/1/3/4/8/134899758/845bcd.pdfIn PDF document text
- https://cdn.sqhk.co/boxepupovemu/e9lPvLi/95955080346.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://97e6e6c8-040d-427c-ad66-6ef02350ae38.filesusr.com/ugd/9c523c_d552abc6505c43a0a3e89e74966f2128.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mogedozara/xulolobujarixenewoliza.pdfIn PDF document text
- https://s3.amazonaws.com/mipeboro/47156079532.pdfIn PDF document text
- https://9fd063f5-a6e2-47f0-a1c8-15c646e36cc9.filesusr.com/ugd/ee11ea_acc0f7af11764ddeb2419b78a96140d7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f3eb8fdc-9376-481e-a081-01d5be3d7a8f/45939749062.pdfIn PDF document text
- https://s3.amazonaws.com/jasipefulaxiduj/2912231831.pdfIn PDF document text
- https://s3.amazonaws.com/fajeloninesitel/how_to_adjust_overhead_door_closer.pdfIn PDF document text
- https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_92b76fdc481a4784928910d11d0a5c8d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/076010f3-1d54-4275-9c0d-a69e72b0459f/fedozogomewij.pdfIn PDF document text
- https://s3.amazonaws.com/xebuvuwov/ascending_descending_order_worksheets_grade_2.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d32f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32F | 5816 bytes |
SHA-256: de1b82d383971fb64bc48339201800d2a34e93ea074d2a30e49d2c26ffc8efe9 |
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font_01_sfnt_off0000e6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E9 | 10728 bytes |
SHA-256: 4131df78e65d90a27d4d7cc7fffc24cc6d8bb7e3b937aa3a81c42f5f19c785d5 |
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font_02_sfnt_off00010bcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCF | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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font_03_sfnt_off000120fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FC | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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