MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The embedded URLs and link farm structure suggest a phishing attempt or a lure to download further malicious content, likely related to fake software downloads. No scripts were extracted, but the PDF structure itself facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://chcial.ru/uplcv?utm_term=microsoft+word+2019+free+download+for+windows+10+64+bit+with+crack
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c791484a80---35113897261.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7db353856---10326226151.pdf
- https://speakingparrot.com/upload/ckfinder/files/79716055793.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/ff4eee6b7db616dced29a2b8d44cb122/zonexunidupijadapevozu.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fb1149dfe---bexonaloxum.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/78c3b36908068b9dc950b7c4b39c0650/fawezedejamunotiwurav.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/27akno28pn45rvf5b4onlb91d0/61141650889.pdf
- http://am-assets.com/aom/magnolia/userfiles/file/71097848236.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c872f37a5d7---16085225466.pdf
- http://greenplanetnepal.com/userfiles/file/wuwazeduvefozogog.pdf
- https://soechi.com/userfiles/file/winotusexeravipafujul.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609675b92f842---7801964287.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/94kmi9j93fbrfd28gssvpt5554/71492092036.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160993cc329a11---95848796784.pdf
- http://omatsuri.kr/data/userfiles/files/19387413740.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fea29835d---64613412732.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a8a58ac83---83982698606.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca41a8a660---rinataxe.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/c7cb0b1793a6a9d3301562577fa60b04/43209027549.pdf
- http://amdind.com/userfiles/file/gesof.pdf
- http://daoltrading.com/userData/board/file/bisez.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160884ab1d0278---lidep.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a14c9d94d3a---2139041560.pdf
- http://mitcostruttori.it/userfiles/files/76661329749.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_off0000f3cc.bincb636b325d07b12bd781b6c12108706530cbe1fe31e80374352da9d1e71df42b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CC | 17728 bytes |
font_01_sfnt_off000122af.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122AF | 16792 bytes |
font_02_sfnt_off00013ac6.bin8be3e0370e51b75bb32ebc079e49481e878b4008c0b3d6e3b6b734fb52a72f87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AC6 | 11592 bytes |
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