MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are identified as part of a link farm on disposable hosting. The heuristic 'SE_CALLBACK_LURE' suggests the document's content is designed to trick users into calling a number for fraudulent purposes, consistent with phishing or tech-support scams. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://styrexon.cz/userfiles/file/99218379115.pdf In PDF document text
- http://eskuvotoszkanaban.hu/editor_up/50361688870.pdfIn PDF document text
- http://ekstelekom.com/userfiles/file/20000049036.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/nujutukalilafelanugarizox.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109190506354645.pdfIn PDF document text
- http://milkexim.ru/imgeditor/file/lefenesezene.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614714fa0b213---pageserabuzi.pdfIn PDF document text
- https://securitydm.net/slicice/file/80353019402.pdfIn PDF document text
- http://arucax.am/user_images/file/tubazovulosiz.pdfIn PDF document text
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/58040989757.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/rowivez.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/xitodusewuliluzozumuru.pdfIn PDF document text
- https://invest.pl/userfiles/file/tiran.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/ponuvafisuzefoxubulufimo.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/nojunesibuvoge.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/84044544124.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/4691341021.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/rogamugusakagemipexiloke.pdfIn PDF document text
- http://yalcinsezer.com/upload/ckfinder/files/85208765343.pdfIn PDF document text
- https://ladangmimpi2.com/contents/files/zozilewe.pdfIn PDF document text
- http://wwsm-us.com/files/file/10494005166.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/7v7iqnol1onmn808ij3q381oci/zipekuwapebuwiwu.pdfIn PDF document text
- https://ykitraders.com/UserFiles/file/21021103132.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/41042417491.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/41029277563.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/vatomadalubumijafe.pdfIn PDF document text
- https://himalayanthailand.com/image/upload/File/79932936574.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=free+download+aplikasi+android+for+pc+windows+7PDF 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_off0000dd5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF571 | 10720 bytes |
SHA-256: 267fe8df170233528f7427f141ebca1db2d0f997b237e1897467f94bc6e568c4 |
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font_02_sfnt_off00010e3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3B | 17380 bytes |
SHA-256: 73eec8ad1b34184b28d5cf198196803e8f51609f0ab3f7902221878223c39c2a |
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