MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. The embedded URLs, such as 'https://wastran.ru/uplcv?utm_term=what+is+the+first+english+word+in+alphabetical+order', are likely used to distribute phishing content or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
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://wastran.ru/uplcv?utm_term=what+is+the+first+english+word+in+alphabetical+order PDF link annotation
- http://afro-safari.com/upload/files/mevimojubemezedu.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/152a7ec2bcbaeef7b1cb1b2a55eb0f4e/55539142932.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/balelogavov.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/bunarezibijanizaj.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/0879df2882d9088def0b198f74d3cb74/71118561556.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f159a2dda---34166310952.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/wajadedigedezusige.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d23bea644b---famozijisegadarigowuje.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/bddfec6a97cb8525cd3ba3ddc527ab7a/vazusomonegesojulomepoj.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f70eef1a874---fonalidurenawomoxevasila.pdfIn PDF document text
- http://cavusofis.com/images_upload/files/42977049940.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/qrkfqof39jq4647je907mc5j37/71110981711.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/g2kt7oec497un34r58mfq439gq/12739916959.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2837ab34c2---59975525161.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e89936307---8778694599.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cf7b2be1219---66660924231.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/3caf377e81ae3e8fe735f29eadd89713/bowomijuwunewuvoxu.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/2ae5d42fa0a0d49d55de4ef2f7b07ddf/vodozazobatitexa.pdfIn PDF document text
- https://activsport.ro/userfiles/file/jalijomumozaxe.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f3684561f---5684932862.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608227d759739---laluzonotawiwe.pdfIn PDF document text
- https://andhimazhai.com/images/files/jotilesukafenapopora.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ae59eb6c0---23879452863.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082dfee8cd10---rokak.pdfIn PDF document text
- http://haniltm.kr/upfiles/editor/files/lezekaxa.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/5806620685.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000102c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C6 | 11120 bytes |
SHA-256: 51f481adfd66765818b67977c64283a1a3c91642fa11410e24cd4d19bb75fe30 |
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font_01_sfnt_off00011c48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C48 | 16732 bytes |
SHA-256: e3aa6f14c93a5e4cb8c383bfbb1639a5461561da1724db1edd6dad2abe58a932 |
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font_02_sfnt_off00014784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14784 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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