MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm. The 'SE_CALLBACK_LURE' heuristic suggests a phishing or tech-support scam context, aiming to trick users into interacting with the provided links. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing campaign designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/6d3d2ca6b12478e337890b6072d9d7c4/11511248605.pdf
- https://menuiserie-sainte-anne.fr/userfiles/file/97730596586.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c73fcfc5c---kavesepup.pdf
- https://avgdesign.com/userfiles/file/viladozewu.pdf
- http://kusadasidentalclinic.com/img/userfiles/files/67889282557.pdf
- http://novussiteyonetimi.com/uploads/file/nuzunanubeborunuk.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/2160ba34cc8774906ffdfc2ec04b4662/49666989678.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/qjkutdfi83clumj2hlpas413bf/wuwemaroxune.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9dbf79859---tezikemipaditefesi.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/3636743752aef4e958ac8eedc087cb13/82613374179.pdf
- http://langeline.com/ckeditor/upload/files/70310246946.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e9221e13d---fekefarav.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ebc40c80c---13154922289.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160863c177839e---90119832212.pdf
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/c93gmj6t41q44cdd17ji94f5b4/9647725551.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/e1df4e5bbcd2f2e490b89dc7857b41ec/96989916557.pdf
- http://phanphoiongnhuahoasen.vn/upload/files/26545220388.pdf
- http://reklama-v-sochi.com/ckfinder/userfiles/files/81580746922.pdf
- https://aonetreks.com/uploads/file/22766133038.pdf
- http://forter.vn/hinhanh/file/55163999359.pdf
- https://noddy.nu/images/file/fosugemogodosar.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af7be259ff7---97173992686.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=can+white+chocolate+hurt+dogs
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efbe.binc93c4961041191206835bb74ecd4de48107c23886e5b7304c5aee07c38ed78f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBE | 17620 bytes |
font_01_sfnt_off00011d74.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D74 | 16792 bytes |
font_02_sfnt_off0001358b.bin9caef803d5c12144c6dc539173ab3cff9752421109056d5a1f4ca7efdb720172 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358B | 10868 bytes |
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