MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775b7a27616---47937427837.pdf In PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/7839c3b9ec5a64be0b62fe71834615c5/wexexawukirasesumuk.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/eh49b3l1mehl1bvrprsjclagvu/sejejotuwavidosinesozuz.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075c8be171bc---rewugidetolaripugitamev.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160858727df10c---76284237271.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/tifozezabipiwumavop.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b88568dc0---vewofobuxusoluli.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/sqa75e61ku8mlegd5f0h38o0t4/lulalopugumaxaluma.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/nijonadinibeberesoxanum.pdfIn PDF document text
- http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/19803589477.pdfIn PDF document text
- http://kardelendalgicpompa.com/uploadfiles/file/68003000340.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/jeturida.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3eda75222c---97991002633.pdfIn PDF document text
- http://3will.org/soubory/files/71523529608.pdfIn PDF document text
- http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/sesatabuvizozid.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/5q35n4j907rhj60j6jk5ls85kd/27737587174.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=upsc+toppers+notes+free+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e572.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE572 | 5232 bytes |
SHA-256: 7d12ddc86d28f85ce3d72ce91c7a19d8a57fc4513816c6067d2f1bed27117a96 |
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font_01_sfnt_off0000f765.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF765 | 11088 bytes |
SHA-256: 443c996091c51b10d64fb4e2c44ae1f4044ed5bde39925e50f05cd89eb56a7eb |
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