MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of a link farm on disposable hosting and compromised CMS upload storage suggests a phishing or malware distribution scheme. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the lure-based attack pattern, aiming to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://duancanhotot.com/upload/files/80706087426.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609876ce7bae4---futurorob.pdf
- http://porpora.info/imagenes/imagenes_contenidos///52757488694.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5e324be0a---98583664229.pdf
- http://adria-ex.com/images/blog//file/nekebapigevugadularala.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bcee459142c---40037476786.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e5c802a36752449d42b7709586b880d7/wakegabuben.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/b81f740e056db21bea9f58096765ffb8/lafusikeruviwapugale.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdbbb468f6---lozegudigakuf.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ta52r4peu8ejldg7gkt9np3g43/91851293885.pdf
- https://sport-jicin.cz/dokumenty/23707092732.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/45f49d1c764137eac43757b85bc774e3/wogaxeta.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/o93p3mjictld9r7n4q0lia5bfb/bobelejagisos.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/dhjmda6gvvqfm406h67eavg0r6/74635659218.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1d12a9e6df60eb825f0f940c1fc51230/29731966573.pdf
- http://shengnabei.com/uploadfile/file///2021061307565768.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084aaf1d3545---jivibagilageniboxowexatu.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e44a686a23---26335712735.pdf
- http://velocimapper.com//webfiles/file/13357302224.pdf
- https://aykutemlak.com/upload/ckfinder/files/beganivunegalesuju.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/l68csta5ab6qjmk4dku9cmspjs/xiderasixiragowonaba.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a0954cc9e---99260583234.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=coc+hack+version+unlimited+troops
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fde1.bin7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE1 | 16312 bytes |
font_01_sfnt_off000113ed.bin31e6aee50a1f3119c6acd7fd9c3b3ef05272ecddb6e2923aadac238b2710df36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113ED | 11068 bytes |
font_02_sfnt_off00012d91.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D91 | 16792 bytes |
font_03_sfnt_off000145a3.bin34a4a68f3f6383f62cef0c26874cfca0ca636f2d6c1677a8be2abb30ea380c73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A3 | 16900 bytes |
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