MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery mechanism. No scripts were extracted, but the structure and URL distribution are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=best+manual+settings+for+night+photography
- https://hoakhanh.vn/uploads/image/files/67328981099.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b295111f434---nufezivowuretabaze.pdf
- https://francoisdaulte.com/ckfinder/userfiles/files/moxijikujunato.pdf
- https://ski-experience-japan.com/images/blog//file/7553482234.pdf
- https://0a3exp.com/upfiles/editor/files/pukipexugowive.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609497d4aab36---47875241462.pdf
- http://georgeandmaryjones.com/clients/f/ff/ff66b05efb8f16ea353d8e6908bb1429/File/78672178457.pdf
- https://kaowei.tw/image/files/20210703_090501.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/4db36cf804588080d7978386fdb7c2c0/dezosotukedip.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aedce05b130---buleregulejoxenit.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/gi65u35ad5irplrhcvc5tuii9q/78154368459.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/ceka324n7rkfm3suhkeubj0j04/lijiv.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/nepadewij.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb64ad98c9---69767219227.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609264855afe6---29763496247.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/be3645b10b8c83fe61fadcbf0cb504e5/16075572935.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1bd82bb54a744272b42bd614bba6496b/pazudapumesoke.pdf
- https://samarpanbharat.org/trila/userfiles/file/muvixiwofawigazafekinud.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16077e5039aecd---417800518.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/9348a8de568e02726305a16b58b0b7fb/lakudogog.pdf
- https://ludbaegitim.com/calisma2/files/uploads/18518095763.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbcd98f340d---fiwoveturivi.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fb0bbf962---64129270305.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_off000105f9.bin608828d9aa64cb312aec7e863699483b4972d004fa8238600cf5352878f2d84d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F9 | 11072 bytes |
font_01_sfnt_off00011f9d.binb57837fc15926b077bfe5b95bf53d7d4eb23db769ff5dfd6d9b363f38369e7df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F9D | 17144 bytes |
font_02_sfnt_off00014b93.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B93 | 16792 bytes |
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