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 0.9999
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://philabc.ru/uplcv?utm_term=pes+2020+file+download+for+ppsspp PDF link annotation
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0e0e5da06572cf9eaffa599af7ade719/82617669844.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/f505a72ef6a72780190702500dc913f0/21077859793.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/kowuzokonabirovalu.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/a97ae2521ee80e1849cb52bb468c839c/61459434575.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/3473ba67340a591cb8fea2eec776cbcb/48831879964.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094b1b55cbe3---belujujemixi.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/xewirarebowasisanud.pdfIn PDF document text
- http://washchienluoc.com/upload/file/78348517540.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c76751707e---878184694.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/f8a91359bd256c4f34c70d0adb382f11/46739666693.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/5nns4vucvara3f3vg9hf562b6d/28771701062.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb4d09a882---pemos.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b890a654c---76185240076.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/kezit.pdfIn PDF document text
- http://banghaija.com/userfiles/file/mawagijizokosin.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/9fre7fa3gjbo9keke3qrs5usnm/lewidiwujekifutaris.pdfIn PDF document text
- http://asiavent.com/UserFiles/file/%5C/fumozadazavefatumorevewo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000e5c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C9 | 5404 bytes |
SHA-256: fb677499cf6a6f426f9b4730005fe6b9f9e161d1e6c7bf6492c1b4b01fe1edca |
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font_01_sfnt_off0000f851.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF851 | 10972 bytes |
SHA-256: 83e6eb2e1c5007c5a432ad8fe32c0339dae5667212cf115a51313db7d346a798 |
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