MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an invoice-themed lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://lozipotod.ru/123?utm_term=operational+amplifier+applications+lab+report PDF link annotation
- https://nofefikow.weebly.com/uploads/1/3/4/5/134510094/8611434.pdfIn PDF document text
- https://wudatoguji.weebly.com/uploads/1/3/4/8/134885495/burodewenugatoviz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426090/normal_5fd89a1d0134b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496582/normal_605f55b9a6e39.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4503578/normal_6004031eef567.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421213/normal_5feddd4988647.pdfIn PDF document text
- https://vobilafulov.weebly.com/uploads/1/3/4/9/134902573/vejaxato.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416154/normal_5fdad1109c92b.pdfIn PDF document text
- https://pusoguxararafog.weebly.com/uploads/1/3/4/5/134593470/fb098ec.pdfIn PDF document text
- https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/kulun.pdfIn PDF document text
- https://suvedezu.weebly.com/uploads/1/3/1/3/131379937/ximikotipe_fuwenaw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366018/normal_5fe4fed4f3d2d.pdfIn PDF document text
- https://boxuvudadutubip.weebly.com/uploads/1/3/2/6/132695546/wefuzeki.pdfIn PDF document text
- https://fuzizozole.weebly.com/uploads/1/3/4/6/134630054/3932154.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409801/normal_6060320316036.pdfIn PDF document text
- https://pafirovax.weebly.com/uploads/1/3/4/6/134662293/4764db.pdfIn PDF document text
- https://nuniladolu.weebly.com/uploads/1/3/0/7/130775245/xanela_furilowuzigu_woses_nejozafatemot.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4367013/normal_60afe8e3cd90f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463830/normal_5fe78c953a487.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7cc5939b-45b0-46dc-97c4-d1c72bc24e33/renuxuboxegupub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/607372a7-2a46-4165-9d6a-cbc22019458f/am_krzeren_ende_der_sonnenallee_english_chapter_summary.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://scripts.sil.org/OFLIn 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_off0000f275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF275 | 5328 bytes |
SHA-256: be97a16f87b19f31df20c8054b88306dc42947401210114de2338ad80f9624fd |
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font_01_sfnt_off00010475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10475 | 11120 bytes |
SHA-256: 02a8f92af985d7856cdbf3785784bf867278d81bf71b23e5d9ac72f3366e5251 |
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font_02_sfnt_off00012a6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A6B | 16060 bytes |
SHA-256: 2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90 |
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