MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised WordPress upload directories, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://learnersdigest.org/userfiles/file/basozasaxalefuraxe.pdf
- https://akamercedes.com/images/uploads/files/nadaj.pdf
- http://c2r-auto.com/uploadfiles/file/2021060316214173499.pdf
- http://kanchanaspa.com/ckfinder/userfiles/files/jawaxuvuf.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609825f53afe6---76742966799.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/8038ea26c6a2d8a3cc6ff260b77a2417/45655571158.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/b3db1b4384772241f0b63800dab8962c/gilelegosuxivoritadis.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16075cf94920f3---44412061994.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16092bdbda9635---rasugezolubewem.pdf
- https://holocaustresearch.pl/nowy/photo/file/nafupejimunezipu.pdf
- https://europartner2.pl/uploads/62761886724.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c224de6cee7---48488698634.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840ebb3c517---13087314425.pdf
- https://meganimal.pt/site/upload/file/14276194299.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854a3cc6e48---gudamidegiwigawil.pdf
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160905bc8c4212---mumafulerejogozufupizi.pdf
- http://www.deep2001.com/images/library/File/52012629483.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087818029fd4---88382565226.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803657a8a5c---fipiwezefoxif.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/1hhnd8ibkqpkuifr9juh4eanfo/tekudisoxifabesutav.pdf
- http://shinies.ru/img/lib/file/desadimakewasomoxutupoxa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=elements+of+the+communication+model
- 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_off00011996.bin6a87fdfa736a0439330c5ca42c53aa04b2f500ac317f2174d343c25631042e22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11996 | 16740 bytes |
font_01_sfnt_off000144f7.bin62806c86fad7d57a65d7656e04310603ef3c83d2274ef0138a2e6ce7b2000bcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144F7 | 10724 bytes |
font_02_sfnt_off00015d5f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D5F | 16792 bytes |
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