MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to obscure the true destination through multiple redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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 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://archism.ru/uplcv?utm_term=how+to+see+my+computer+screen+on+my+phone PDF link annotation
- http://terminsk.by/pics/files/pufudufavigib.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/sojef.pdfIn PDF document text
- https://lhdgv.ca/lpch2010/userfiles/file/4868974308.pdfIn PDF document text
- http://onlineticketreview.com/images/file/91316157665.pdfIn PDF document text
- http://jinyezi.cn/upload/1827406259.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/tijuwuxa.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161449d7a777ef---majufudi.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021091417242573499.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/zixadaz.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/8699369539.pdfIn PDF document text
- http://mlsy.cz/images/file/files/vifijimifozavikubukijogo.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60117525119.pdfIn PDF document text
- https://kolegium.inaheart.org/upload/files/41580027797.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/ae1aae9fe19cdd279c9f02762970d152/66153359.pdfIn PDF document text
- https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/zafawadoroxaraj.pdfIn PDF document text
- http://nceed.kr/pds/userfiles/files/lazixusuri.pdfIn PDF document text
- http://muntepa.com/userfiles/files/ganinixifenevipowivawivub.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/876154167.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67333279230.pdfIn PDF document text
- http://sbriz.ru/userfiles/file/pakobifesidirojufa.pdfIn PDF document text
- https://flavio-tonon.it/public/file/620818184.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/29095252174.pdfIn PDF document text
- http://studiospazioambiente.it/userfiles/files/51575149871.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/xomekirejujefavakigu.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cdc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDC5 | 10632 bytes |
SHA-256: d73cee70781224706a38e72c902e3b41143774019b648044128b109a306f5f24 |
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font_02_sfnt_off0000e5f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F3 | 16604 bytes |
SHA-256: 6ab20b2596b0ab137261a887ef0116f18210e46cb46604f02d5e896769b88d8f |
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