MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious payloads or redirecting users to phishing sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs indicate a large number of links, many hosted on compromised WordPress sites, suggesting a phishing or scam campaign. ClamAV detection and ML classification further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://garglob.ru/uplcv?utm_term=single+phase+ac+voltage+controller+with+inductive+load
- https://alperbehang.nl/userfiles/file/95512607029.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/363039588417c4b431aa43b677b13a07/66015315019.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/a8b9ee09365afca1bc95a464bbf68a8c/zoboja.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/baa59def76ca83e9b22fcaf0739ee481/65082991751.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f907be049---52686094165.pdf
- http://magogaralbamoble.com/galeria/files/mexazivuxuvetefutosupof.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92ff7aee2---19225041580.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/vvpcuhkl06slvu9jt2s4rm8idr/noxaveguwu.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/50447478358.pdf
- http://epoch-making.jp/js/upload/files/77706086416.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a402614064e2698eef802591c205af21/vozufugukixagedokobur.pdf
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/zejijus.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/33o4jg3s805n4e8o03vujbhdq9/sijes.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce1a1cc7cd---2214858428.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff23f70b90---96154778831.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/m59ccahnnejlsk66p790natvq3/15942771070.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/fdtbnf3osb1j0dp07lhs6makl9/dufasita.pdf
- http://www.aluvascientific.com/UserFiles/file/mapuwa.pdf
- http://china-hold.com/UploadFile/file/20210525174714627.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/gn9bl4ddb7cdv8shuc1v4bo6g4/44777602482.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/e3p0oc5abu8iqac8taibl3f86o/80473426784.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096796425ff5---68640803161.pdf
- http://teormech.ru/teormech/usrimg/file/pivikukari.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/tigajimumoraku.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085cf3240ed5---44380660783.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_off0000e850.bin9acee32917469e204896ea747c7265c50830d5d99bb25c14659a4bc1ef3e6a81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE850 | 11120 bytes |
font_01_sfnt_off0001020a.bin7e4c9f7e10c486a10b140f22fd92e5699218b9e1db3629ab639df01ab2287126 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020A | 17528 bytes |
font_02_sfnt_off0001305a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1305A | 16792 bytes |
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