MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised CMS uploads and disposable hosting, characteristic of a link farm used to distribute malicious content or phish users. No scripts were extracted, and the document body was unreadable, but the heuristic findings strongly suggest a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9890
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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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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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://bursac.net/userfiles/file/galubikurirokowi.pdf
- http://netmutum.com/userfiles/file/wologugokuwadimokolu.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/5b6aa349b392c6978795b155ffc79d78/dekadotufutaxivejozuw.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcf2029425---93662914973.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/7e79697311320b9ffb3f0cadd0a3df93/dufuton.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/resifamelebiximevuwedole.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcbb31451e---12386127102.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/78m18jq3mo6mt9pia5cnkmm5b4/62723659738.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/e324244bb037e7985347599618bae154/47948007187.pdf
- http://seabeachthailand.com/UserFiles/file/6906493844.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe5f1badef---vubalozalabowi.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ba9d9e9a5---votivatejegewe.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d56fe5c7bc---somonovawowekup.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089e31465c03---8234489888.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/zutomaduzuz.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/18c706c7ca269619ede0f887e1e1e50d/fawowotol.pdf
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/60023366002.pdf
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9b682d45---91780650723.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1fedc1cadf---xuganananopelifobep.pdf
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1552028f30ac37c27e0b785956aec4c0/84427674517.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0df908cbf2---tibipi.pdf
- https://widepolymers.com/userfiles/file/vejemasovivix.pdf
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/9690323537.pdf
- http://www.zywawiara.pl/pliki/xijasevomesewagifog.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=joshua+aaron+you+are+holy
- 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_off00013c84.bin000815d033ba64385775ca6d142c2966e10d9ec16b7521cd9647f8ff9f6a966e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C84 | 25888 bytes |
font_01_sfnt_off00017c0a.bin41a8f8af2971a6ca26c9410cfcad80b2cc2650392141dddc76afae05325fb120 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C0A | 20436 bytes |
font_02_sfnt_off0001a052.bin380ad2683f9082707ab7cafcfa802560b4d0f4292f114bd7cc942a3ba60d8a0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A052 | 10220 bytes |
font_03_sfnt_off0001b73e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B73E | 16792 bytes |
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