MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document, likely leveraging embedded JavaScript for redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b2fbef4bc.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/b0bc7462a9a398a5467385f19238d75a/rixilafuruzekeri.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f306263384---litixoxokasowokaf.pdf
- http://dansensvenner.dk/imagesfile///19956988924.pdf
- https://billionbosses.com/ckfinder/userfiles/files/57129368385.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1c9e91be1---49205497122.pdf
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/86200530567.pdf
- https://ludifrance.fr/userfiles/file/worajisutek.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/p4728pr67lfigqu6f1tt1ipbv1/pomuk.pdf
- http://files.ibiza-ferien.de/file/82775781647.pdf
- https://lecormier-menuiserie.com/www/upload/files/41628821977.pdf
- http://ddservice-bmw.pl/userfiles/file/xidipevaxusisixozogojor.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/fa1197b181d5aa64b7a67427024815b3/gufegenavijemituvedupe.pdf
- https://eletvital.hu/uploads/files/22012285562.pdf
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/23ef6ee73857c5760ff77cb1cccc850c/somazugi.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/3cotcrihbubsv461l4th2g27ah/1007844074.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073492e8e5b4---25453742346.pdf
- https://universal4shipping.net/userfiles/file/39523597411.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96febec3d---88209129618.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d5455d8ce56---34893081691.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7caa5fca2---vapikewukuzewopidubad.pdf
- https://gastriklandsbf.se/UserFiles/files/91957007534.pdf
- http://bhs1966maui.com/clients/64750/File/mujoburezomeridokusup.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=can+pneumonia+cause+pulmonary+oedema
- 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_off0000f71a.binec814392d89455f99fbaef991778539e9e5fcc755eea8c1beda98545bde03386 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71A | 17020 bytes |
font_01_sfnt_off000123ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123AE | 16792 bytes |
font_02_sfnt_off00013bc5.binbf3f05d6d73d13f9993c6e58d1afc16a5031c96716dcfd5b0d32d95d35b49f1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BC5 | 10820 bytes |
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