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, many pointing to other PDF files, indicating a link farm likely used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and contains metadata from wkhtmltopdf, suggesting it was programmatically generated.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://zajinet.ru/wb?keyword=101%20uses%20for%20skin%20so%20soft%20bath%20oil PDF link annotation
- https://zoxaminajoge.weebly.com/uploads/1/3/1/6/131637873/8295292.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407724/normal_5fcf00c24a314.pdfIn PDF document text
- http://rostov-mobile-doctor.ru/do_reloading_primers_go_bad72vfv.pdfIn PDF document text
- http://regsenatvumen.website/42922118045ixlbm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414172/normal_6035ff890ac51.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459166/normal_5fc82bbd16035.pdfIn PDF document text
- https://finukezazilifer.weebly.com/uploads/1/3/0/7/130776017/tujebuxumifidimikosi.pdfIn PDF document text
- https://resewirebibabap.weebly.com/uploads/1/3/1/3/131379054/rijojuledibisunak.pdfIn PDF document text
- http://youravon.com/maryannstaton*SSSIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xaliwalufoguni/peligugifanufosa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ee6877b-da0b-452c-8fe4-836569c9e69f/84766689744.pdfIn PDF document text
- https://89d9876f-4e47-4433-ab5b-8da47ae3ae5c.filesusr.com/ugd/37c326_0901d914a02c4d67969ae01f9b747d37.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1f272bf5-d31b-4fba-bad0-28b1356189ef/lewadipatelugofonaxaju.pdfIn PDF document text
- https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_bea39912045645eea1d9729a663ab201.pdf?index=trueIn PDF document text
- https://7722bba5-72ad-4d15-a72d-9ce9fbdcf1b5.filesusr.com/ugd/772ad5_fa0ed26674854f9696b7b631950d9507.pdf?index=trueIn PDF document text
- https://2b81f3f0-3f46-42ff-87a7-5865dd96cd3c.filesusr.com/ugd/fb41f9_794c4f4c34224dc48f593ff2ce0b16fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xonaxevetaf/zumobiwubikoki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/998d7856-6e9f-402a-aa9e-df5779eb07be/conair_professional_lighted_clipper_set.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed558946-1157-445c-8511-e209c81a0524/canon_pixma_mg6320_ink.pdfIn PDF document text
- https://3f5765b5-411c-4b28-96d1-a1e3b219bcee.filesusr.com/ugd/ca847e_af10f4109e9b4413934edcf1d7d10ba3.pdf?index=trueIn 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_off0000e93f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93F | 5156 bytes |
SHA-256: 683b6a89180f159e41adff3f0714492ddea43a756cc4f3e9409cb61b5dd1e4ed |
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font_01_sfnt_off0000fac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC6 | 10512 bytes |
SHA-256: 64bd6036d63a67fcbb011af79d1971361d23b863e5e0595172d6c3aa77aba86e |
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