MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, suggesting a phishing or scam campaign. The heuristic 'SE_CALLBACK_LURE' further supports a phishing pretext, likely aiming to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://synerhu.ru/uplcv?utm_term=how+to+print+2+pdfs+on+one+page PDF link annotation
- http://insureavisitor.com/userfiles/file/75580200952.pdfIn PDF document text
- https://travelsafeway.com/userfiles/file/xosasegamone.pdfIn PDF document text
- http://hooleihomes.com/cms_images/file/27430778939.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/dokumapap.pdfIn PDF document text
- http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/699563758.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/35768742309.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/16201670223.pdfIn PDF document text
- https://tomaszbizon.tomaszbizon.pl/web/uploads/files/satubozajagipuxajajoduv.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021091315574773499.pdfIn PDF document text
- http://unite-chem.cn/upload/files/94439553452.pdfIn PDF document text
- http://studiotecnicodama.it/userfiles/files/55579569275.pdfIn PDF document text
- https://mimpiindah88.com/contents/files/gawigowifaduniguboges.pdfIn PDF document text
- http://olympicburger1988.com/uploads/files/zujafofirijanafuganugof.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/25519488788.pdfIn PDF document text
- http://www.beautyvogue.ch/Files/file/28438581101.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/71495536322.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/66390704870.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/475480d56b8b74fe82b2531c81dfacdf/zulakewunutorowerer.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/9467931059.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161463ddf6c58e---75030609427.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/lugeporuripexefajupebatow.pdfIn PDF document text
- https://preciseenergygroup.com/media/bugudakosojetomatax.pdfIn PDF document text
- https://ctyhoanongangiang.com/userfiles/file/53639815041.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_off0000b32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32B | 10824 bytes |
SHA-256: c970711c14a072d116a1ee4fb400b66a6bdbfbb815184867097c1e6314be6559 |
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font_01_sfnt_off0000cc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC21 | 17292 bytes |
SHA-256: cb365dfd6f7ab5cfad402155c933380f3fe816d269f0d1cf4baec7724da3c5d3 |
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font_02_sfnt_off0000f89f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF89F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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