MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CALLBACK_LURE' heuristic strongly suggests a callback phishing or tech-support scam, where the document prompts the user to call a number for a fabricated issue. While no scripts were explicitly extracted, the PDF structure and numerous embedded URLs point towards a phishing or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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 https://oniceh.ru/uplcv?utm_term=challenges+in+android+app+development PDF link annotation
- http://amicissiapiemonteisa.it/userfiles/files/moketasusenikubewekiti.pdfIn PDF document text
- http://biomedia.asia/upload/ckimage/files/5542673190.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/viziputosofib.pdfIn PDF document text
- http://canvangdientu.com/images/file/povadezegen.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/161416d0f435e4---62129955828.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/patesigebufidagasafisato.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/rukowalazevulapi.pdfIn PDF document text
- https://kalashad.com/userfiles/file/masikaluvenojorovobu.pdfIn PDF document text
- http://aldobini.it/userfiles/files/lokejeludobatonorer.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/rakiduwa.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1464d8988---33859953323.pdfIn PDF document text
- http://citty.org/images/uploads/file/61594745506.pdfIn PDF document text
- http://domusanna.it/userfiles/files/pigitere.pdfIn PDF document text
- https://vegas-shop.net/uploads/files/48044156249.pdfIn PDF document text
- https://akilanews.com/ckfinder/userfiles/files/4810464412.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/bowivuxujuwefevesojib.pdfIn PDF document text
- http://tehla.eu/userfiles/file/bizomokimezaseta.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/64828869105.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/68762584582.pdfIn PDF document text
- http://savaksangida.com/resimler/files/kasapufenekufepoluzapuxa.pdfIn PDF document text
- http://e2ingenieros.com/ckfinder/userfiles/files/50864232270.pdfIn PDF document text
- http://qamsar.org/userfiles/files/foxoxubamowaribe.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/14881811219.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/90627757721.pdfIn PDF document text
- http://gr-chem.com/upload/files/bapimegoruxokumapane.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210904063708.pdfIn PDF document text
- http://constantemails.com/userfiles/file/163105888198878517943.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_off0000ec8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A1 | 18544 bytes |
SHA-256: 93f8e56a78f19b08319dec71ba14a10e5ce9e75521a2a37e9c89132114ee0b3d |
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font_02_sfnt_off000134c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134C1 | 10936 bytes |
SHA-256: 002a58ddb073d9910210f8f34886501a2ce92a9ed3f1e31c258bd53302c5ce59 |
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