MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. The heuristic 'PDF_IMAGE_LURE' indicates it presents as an image-only document with a click-outward action, typical for hiding malicious links. The presence of numerous external URIs, many pointing to disposable hosting, further supports a phishing or malware distribution scheme. No scripts were extracted, but the document's structure and embedded URIs suggest it aims to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://pistant.ru/uplcv?utm_term=pokemon+tower+defense+mystery+gift+codes PDF link annotation
- http://eros-arena.name/eros/userfiles/file/49209064207.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/7854546296.pdfIn PDF document text
- http://pharmorgsyn.com/upload/files/babuxupuxijemuwomitarit.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/vefinafuvotajiwu.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/56738455477.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/kosupanisakirapuridapapi.pdfIn PDF document text
- http://first-group.kr/ckupload/files/93106299772.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/20378032851.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e40306f72---84620690531.pdfIn PDF document text
- http://daehnfeldt.com/userfiles/file/14734216496.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/84629157333.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/jiroxor.pdfIn PDF document text
- http://istihdamhaberleri.com/upload/ckfinder/files/79334321049.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-9-10/20210910075832684053.pdfIn PDF document text
- http://nelly-design.ru/upload/files/wujavelo.pdfIn PDF document text
- http://anpo.vn/upload/files/16076110270.pdfIn PDF document text
- http://rainhouse.kr/data/editor/file/1698522768615711498260c.pdfIn PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/zugijoteliraba.pdfIn PDF document text
- https://manhremhoangvan.vn/wp-content/uploads/files/teruwufowase.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/46031272244.pdfIn PDF document text
- http://519pf.com/userfiles/files/nozitugi.pdfIn PDF document text
- http://turinimoti.com/assets/userfiles/file/liwusopivasuburedizepuvi.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/69219138076.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_off0000b17a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB17A | 14576 bytes |
SHA-256: c56ee38e817b4c230dc944769d60c10457d6d3e1641478b3d33062aaa96acdf8 |
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font_01_sfnt_off0000d543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD543 | 10904 bytes |
SHA-256: 243d6f31131c8f9d85de074b4fc8baa24e520c421a85ef3bb45a91c722a28b73 |
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font_02_sfnt_off0000ee6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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