MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous external URLs that point to various websites, including those hosted on compromised WordPress installations. The presence of 'utm_term' parameters in some URLs suggests an attempt at SEO manipulation or tracking. No scripts were extracted, but the document's structure and URL distribution indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://philabc.ru/uplcv?utm_term=ben+10+alien+force+vilgax+attacks+game+for+pc+free+download
- http://www.alex-vasilkov.ru/images/wisdom/file/65121133672.pdf
- https://alianzatours.com/imagenes/file/94036643067.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d51e4d92d8e---jirifazirekoreg.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0b364cc2a---xetoluregovi.pdf
- http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/mufufuguvifevokekekoluzu.pdf
- http://classicalgardenstatues.com/uplds/file/77769655481.pdf
- http://archi1919.com/smlclub-files/file/42694492813.pdf
- https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/tomilatamakoj.pdf
- http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/62099581607.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0afe54242---fapujumirevedebani.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/028ro37s51rqajrt5fifjoiej3/rusobokoxiz.pdf
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4sbr05ofunhvr0cvadmhfh4dq4/42303104573.pdf
- http://www.grifin.sk/files/vuxojisibuneremonalegunu.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/10ed648e087dbfe1a2db19d6b4795525/jaretomagupusigefifiwaba.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85db9ede33---15132492987.pdf
- https://e-fasteners.eu/media/file/99051063869.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/213nb2f5b18tukc1sh70cp3r2c/81241866793.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c04a1d931a0---tukunap.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607176d864079---25290907397.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/f8ae662593b12bdf531bcb512f540146/66480424979.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/sd2jsarkvlvgat2374ap2ud9l2/62503920354.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/b283a0eec9a7f6b763350aef053a5d68/vumimigejijene.pdf
- http://clinicaveterinariailmarzocco.it/userfiles/files/buwigikixome.pdf
- http://piotrkowska77.pl/zdjeciafile/26734835576.pdf
- 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_off0000d1d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D1 | 16792 bytes |
font_01_sfnt_off0000e9e3.binba110278c51c0208a9903a14fcae59c9de1b904853f705ea2e9014f674ea0448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E3 | 17252 bytes |
font_02_sfnt_off00011733.binfaceb02a20a1d59f3ded89661f8d34d04187cc01568e7722013b5d3be58d6ffd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11733 | 11536 bytes |
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