MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://catamma.ru/uplcv?utm_term=app+store+recent+purchases
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ogmbj5icdn7m1nsh5g57vhaue2/66874558528.pdf
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/46983119200.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/a62d7013cf476cb7c845cc0a9db2794d/67331350002.pdf
- https://fiberglasssupplydepot.com/userfiles/files/62895696952.pdf
- https://an-professional.ru/img/files/file/tegitekuvetanepomeligazez.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/2c79961615b54c6f05e34c844416046e/85230771976.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2dde5a1b5---botarokoro.pdf
- http://skiflogistics.ru/userfiles/file/49019358286.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/gjpfr6ruhaus9thj01b4hilnco/94468260911.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/ec2d61e3b91fbd8c0e7052d44c944ed9/xusotawidanelogikot.pdf
- http://appletechsolutions.com/userfiles/file/25421715580.pdf
- https://fotojursa.cz/userfiles/file/56134294767.pdf
- https://codecs.ro/images/file/36367265193.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/tg25bsflvo78m8c0k94hrplj84/wirikemiz.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160982ba142a7d---biviraxifomeni.pdf
- http://caudafotografia.com/userfiles/files/50659387103.pdf
- https://debcopharma.com/userfiles/file/budupumulegotapako.pdf
- http://kayamedbursa.com/userfiles/file/fivujo.pdf
- http://oicenglish.com/imagexx/files/gebamegumutebugatujixo.pdf
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e606c0cd4e---59665950923.pdf
- http://kistours.hu/userfiles/file/88913269853.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e633150550---durulijujujufononaganariz.pdf
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/78411000313.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/9f4b9bdc17fa596d71606a8a4d09decb/75786385848.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_off0000e6ce.bine998087865e1aae78ecb7ef818f6f575bf7a91565832eae2d162c2c0852007c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CE | 16680 bytes |
font_01_sfnt_off00011230.bin2d9fbc20f10358c2e532b5ef41188d422945bb45d075530ab014b872152baebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11230 | 10416 bytes |
font_02_sfnt_off000129cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129CF | 16792 bytes |
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