MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, with many pointing to disposable hosting, indicating a link farm or SEO manipulation tactic. ClamAV and ML heuristics flagged the PDF as malicious, specifically as a phishing trojan. The presence of numerous external URIs suggests an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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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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://baarspo.ru/award?keyword=coil+ignition+system+pdf PDF link annotation
- http://trenolgia.buzz/python_download_image_from_url_urllib37r9fn.pdfIn PDF document text
- http://kajipim.mypressonline.com/45247366354.pdfIn PDF document text
- http://cardioactiveuficiale.site/xogupapukidogefivanavuvo1zs4z.pdfIn PDF document text
- https://cdn.sqhk.co/fatidizeru/hgsqduV/pemabopenilaxunozisokaxa.pdfIn PDF document text
- http://nujagexurej.medianewsonline.com/86430674976.pdfIn PDF document text
- http://autobuff.xyz/guidebook_app_costp5tem.pdfIn PDF document text
- https://cdn.sqhk.co/birofinud/gjji3hj/etude_house_face_mask_price.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://punotonaduwize.atwebpages.com/15886605657.pdfIn PDF document text
- https://3edbbcf3-b5b1-446e-9630-835d38fa79e0.filesusr.com/ugd/6908d7_3aa67ee7ba8a4ee3b69a902cfa4467ed.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/937cf5f4-3a95-412c-bcf8-e81a31b6a372/bopufasubujez.pdfIn PDF document text
- https://d115d978-d96a-40c8-9764-5d959708fc35.filesusr.com/ugd/436160_40a0aa5d4cc247068f98459f31610535.pdf?index=trueIn PDF document text
- https://0fe83ef2-ed6b-4f04-a52d-31fe3c58d8d1.filesusr.com/ugd/ade4e6_ccc66637b1b34d479c45030b5b82f471.pdf?index=trueIn PDF document text
- https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_5a02c13f33f243a3b0ecb131bf2584d0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/82441489-7933-4744-994a-fe369cfcb514/49795280065.pdfIn PDF document text
- https://899154e9-876a-4ab4-94d5-c8ef2aed10f2.filesusr.com/ugd/dcf9ad_72a5ae0734334decbc069c66e5087ba0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/756530bc-7358-457e-8120-850bc76b44a7/45180658520.pdfIn PDF document text
- https://2acf176d-1645-44e4-83be-c67f7ac9af6b.filesusr.com/ugd/e72dd6_a25f3f23e2f34cae9565e3ce0abef9b9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d606e69e-ab8d-44e7-8593-26e881fcc99a/zivikukinote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/080f26b2-c58a-4dc8-932a-42501bacbb71/25226303326.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF985 | 4968 bytes |
SHA-256: a7d7dffcb34da4332797b3bb8337783319ec056df70a6d60f78d57e58939ff98 |
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font_01_sfnt_off00010a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6C | 10828 bytes |
SHA-256: 92ec90ec08a4769921a1649fc48a22a151d0dbc0bb24558491100454289434ed |
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font_02_sfnt_off00012f4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F4B | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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