MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and a deceptive call-to-action button, suggesting it is part of a phishing or malware distribution scheme. The presence of embedded URLs and link farms points towards an attempt to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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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://pistant.ru/uplcv?utm_term=pictures+of+different+animal+poop
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff88b8f644---74704353126.pdf
- https://akproauto.com/nbloom/fckuploads/file/xerixuwele.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/6p21nhkn0c2l4euhpo0ulsnk0l/3686749469.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/fae35f27b534371ce2a489cba63feeed/towidiwidufevagizuwap.pdf
- http://ms-krmelin.cz/app/webroot/files/files/wovifanekaxugebamujujodu.pdf
- http://zulassung4you.de/bilder/file/18436883450.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/88db25fb56080f88b79f29b8f064d8a2/57874787899.pdf
- http://csc-0898.com/userfiles/file/20210624004748_84b0s9.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2f054b2d7---fezojifugaf.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/c21abde7ff30a77a0fdc6f530e7eaabc/mevukikemuvujinuxa.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/hnpckjccr6g0hn8tvmd8j1nmn7/lulut.pdf
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/25606079284.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160adb4c2bc42a---46596026593.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/7prc4jd9h5i03l99bfbbng11kt/71134135601.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a51c2f1e5c9---23234987398.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/ec61294e9eab8c99390f57cf17e01ea7/pobelivuzivulozuxo.pdf
- http://velo.hu/UserFiles//file/69516090067.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754690b5c1f---melonexasowopiwujado.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/e70b7cff6ae766f5edf53e989bf43e60/91232860704.pdf
- https://hpsoft.shop/upload/files/kukudojamopiwes.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160935a73e1272---rupatuxamag.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/7cda1483b159f48d51887c5dbf612f04/85159993819.pdf
- http://phdpecs.hu/userfiles/files/76096382727.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/9e6970085c643ff7aaf3b791a2615dca/50037964852.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/a673c345954e1df5cd39b535cd793ee2/11279967408.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/31792ff2162b7f89ba709358079acfa2/69428544475.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_off0001079d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079D | 16792 bytes |
font_01_sfnt_off00011fb4.binfc7ad98ed9cf030518393fb9652360251b6f7ebc5caf004fc630399daea91cb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB4 | 10884 bytes |
font_02_sfnt_off000138dd.binb79e22fc2355b44e2035671abf12dddf68c81d5645fccbb778a399677580df12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138DD | 18276 bytes |
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