MALICIOUS
156
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. 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=ipo+home+first+finance', are likely used to distribute phishing content or download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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=ipo+home+first+finance
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084139e0e5de---goniv.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088749deaaa5---rowunubiniwezov.pdf
- http://fotofolliasanlazzaro.it/userfiles/files/ziledarujar.pdf
- http://dinskayarealty.ru/media/file/18415295152.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/jr2mhdk7l9qsde6nic286hvb0f/sotuwudazilevexabor.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/3b118baf5f49be6040f14fd7b9f1fc6c/pagopizotalemo.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16073479150f12---33288439756.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/sf7og8buat00ud84fam36o1scn/nakubidubinijedub.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd6721dabe---bavizokasunakazelagow.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160888c4b3f1f1---nakuzi.pdf
- http://charontrade.hu/data/file/zofilonepiwonodofewira.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/m3ejqesc5ps68p9bi4e5pe75qo/61195209221.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/59346591633.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/03008a19aaad50f6ffd13c537c8e4a98/marazesujenoguxigi.pdf
- http://puzynowska-kancelaria.com/userfiles/file/7278969653.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160853a5d52806---jikujipifuk.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/2a031a862e0c8e4337d6c7d7de4e1e94/14694305904.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c9b0d21ab---xaxutew.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/4a724624c50db87a5f139f8ed4822873/dedofatete.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16098b44c4c23a---jexoxizituvabujukojitaw.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_off0000ecf5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF5 | 16792 bytes |
font_01_sfnt_off00010507.bina4b4ae9edd09ac2b636a0b999f13e674c22dcf19c778903b02ecf6d451f28883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10507 | 17952 bytes |
font_02_sfnt_off00013479.binc323bb99aa1cbca304b1e4d6bdfec36636835be17f2aef0e39c65e13189120a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13479 | 10652 bytes |
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