MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_CALLBACK_LURE' strongly suggests a callback phishing or tech-support scam, where the document likely prompts the user to call a fraudulent number. While no scripts were extracted, the PDF structure and embedded URLs point towards a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://kimsanghun.com/upload/userfiles/file/2021913648106308.pdf In PDF document text
- http://damnoen.com/ckfinder/pho/files/pobimewuk.pdfIn PDF document text
- http://materialdeestudo.top/userfiles/files/83281970594.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/xefije.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/65875013781.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/80664366140.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/japoridaberobidej.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/58216894691.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/40441988271.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/kalar.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/69122264513.pdfIn PDF document text
- https://holcom-wd.com/webroot/img/files/84015950730.pdfIn PDF document text
- http://kubablimel.pl/Image/files/82131318945.pdfIn PDF document text
- http://www.kevimotor-rock.hu/files/files/26984692039.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/89031005169.pdfIn PDF document text
- http://gzbaosui.com/uploadfile/files/rexude.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/96662500803.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///vagew.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ur8101ug4d3q7jn0mf687rueh6/sidodil.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/35828179598.pdfIn PDF document text
- http://chiron-ventures.com/chiron/home/img/upload/files/210907123456733316n946l.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/sewilitagojapaluziwazeru.pdfIn PDF document text
- https://limberhurstgallery.com/imageuploads/file/32706815050.pdfIn PDF document text
- https://ambient-interier.cz/files/files/64347449163.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+bypass+google+account+on+android+phonePDF link annotation
- 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_off0000b0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0E5 | 11224 bytes |
SHA-256: 7b2c4e8ec17bf6c29e09e6334eed914a4a6b7df7b3b91ff4da6468d06f9c93b8 |
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font_01_sfnt_off0000cabf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCABF | 15928 bytes |
SHA-256: 0f05904a01dce2487e90c453593f5b6ccbe5c832d1a2b9ee02ccb4d2057f11e8 |
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font_02_sfnt_off0000f321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF321 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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