MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate an attempt to deliver a secondary payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c93383c8035---lamupibanobugeluvuzoz.pdf In PDF document text
- http://carszana.com/image/upload/File/33791684019.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5e7830c80---zuvesokapejegosolakoxeti.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/n6l5h2icmcvutdlis6m5fo3fv3/riberemamesozazomokuju.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/semewoxafoze.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210523220845.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160905b49a2735---tewiji.pdfPDF link annotation
- https://inncredel.com/uploads/vuwilo.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/e7837a58d8e511ed35440542119f577d/55675170851.pdfIn PDF document text
- https://chief-moving.com/editor_upload/file/kaborogiwag.pdfIn PDF document text
- https://verner.lt/images/files/lovimebatepipumamodatoje.pdfIn PDF document text
- http://hephatha100.com/clients/4/45/452f9a9cd3514f90eb92b3b4734a1f1d/File/74599264281.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab65b7dcac---61875631820.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/22247498716.pdfIn PDF document text
- http://bacvietexpress.com/upload/userfiles/files/jimixefezadejemikuvisomol.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160810ef2e031b---movavowadodof.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5de71c5fc---98124009450.pdfIn PDF document text
- http://pettwayfamilyreunion.com/clients/39389/File/nokiferafotow.pdfIn PDF document text
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/2eecfd9c1bbb82cd6dca29d3ffe5b842/63586147253.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/92060496714.pdfIn PDF document text
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/a65fe414c9078b18fa312b8a348871a4/68746591856.pdfIn PDF document text
- http://vangphugia.com/userfiles/file/74747249469.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/cccbc118e7649c89a56a0ea07d6833e9/pibakevipigapebed.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/m65taa97seduq7lsdf4vkntrl3/solezutomudapavoboguno.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=muscular+endurance+cool+down+exercisesPDF link annotation
- 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_off0000f111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF111 | 10548 bytes |
SHA-256: eca9b307935df2f390ec0c1c9078f260cbc7e46d7281112182d89a233e573d32 |
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font_01_sfnt_off00010949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10949 | 16740 bytes |
SHA-256: 9cae2ab60a5ab44718ffa3acba22d646f916f78674cced09854982f1ca93d835 |
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font_02_sfnt_off00013492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13492 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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