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 pattern, where the document prompts the user to call a phone number. While no scripts were explicitly extracted, the PDF structure and numerous embedded URLs point towards a phishing or redirection attempt, likely using embedded JavaScript for execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://szabobuszrendeles.hu/files/files/tazebuzelak.pdf In PDF document text
- http://evo-models.com/uploads/userfiles/files/67373379315.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/betuxazeninikelozewife.pdfIn PDF document text
- http://www.nena-artspace.com/ckfinder/userfiles/files/zapopulapoxokemobow.pdfIn PDF document text
- https://loyallcanada.net/editor_files/file/56326373923.pdfIn PDF document text
- https://betenenergy.com/sites/default/files/file/xodokedejokenozam.pdfIn PDF document text
- http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/45829890671.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/jinegeluv.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/57636515165.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/12090851472.pdfIn PDF document text
- https://qwert5.com/psum/admin/userfiles/file/lumopipanudeg.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/funemajulutujakawewaxi.pdfIn PDF document text
- http://unstitchedfootwear.net/files/file/kizikananebijexujod.pdfIn PDF document text
- http://ekorob.pl/userfiles/file/99095455765.pdfIn PDF document text
- http://distant-property.ru/fck_editor_files/files/xesokulimuxilefew.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/feragijulusidajaju.pdfIn PDF document text
- https://excellencetogether.com/img/files/file/jijidimekotexukil.pdfIn PDF document text
- https://lrdreamteam.com/files/files/file/InfoProduct/file/bowisavonivafi.pdfIn PDF document text
- https://dongciao.com/uploads/files/202109041548351746.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/34387518257.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/a3fe6ce32305ce77bd8d91252f920513/dubarewamu.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/47407088003.pdfIn PDF document text
- http://dolphinkorea.com/files/files/marovi.pdfIn PDF document text
- https://rtvpuls.com/ckfinder/userfiles/files/93021821792.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=upper+limb+peripheral+nervesPDF 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_off0000b8cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8CF | 10512 bytes |
SHA-256: 7edcb5e68d74a0702e7139408d1865829813b68ff7b59c32d0f8a58fd1375ddd |
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font_01_sfnt_off0000d03e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD03E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE850 | 15676 bytes |
SHA-256: 278ed8c658ba156ffd92927a56e4d278baf3c6c3d70e5f3688c6f3bd27599a35 |
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