MALICIOUS
186
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. 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 0.9994
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://xajibur.ru/wix?keyword=reflection+worksheet+pdf+with+answers PDF link annotation
- http://tiwimifozukimu.medianewsonline.com/brother_serger_1034d_needle_plate.pdfIn PDF document text
- https://lepifokofufup.weebly.com/uploads/1/3/4/0/134018260/9385028.pdfIn PDF document text
- https://cdn.sqhk.co/baponakazu/ihiicmu/79723696242.pdfIn PDF document text
- https://sefujokugitexas.weebly.com/uploads/1/3/1/4/131408298/guxadetal_xajotuma.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418781/normal_5fe5d798b981b.pdfIn PDF document text
- https://ronizizuvuf.weebly.com/uploads/1/3/4/7/134707383/1489322.pdfIn PDF document text
- https://cdn.sqhk.co/nobutowug/fhgkY49/gedixona.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372085/normal_60548884e7bd5.pdfIn PDF document text
- https://lejonelawubuw.weebly.com/uploads/1/3/1/4/131453657/zufagodobup.pdfIn PDF document text
- https://naruvemekojesez.weebly.com/uploads/1/3/4/6/134685524/ac66aeaf007b.pdfIn PDF document text
- http://bimoriz.getenjoyment.net/nuxoxore.pdfIn PDF document text
- https://cdn.sqhk.co/talokelom/agdjc9l/fagixavag.pdfIn PDF document text
- https://xedububedopo.weebly.com/uploads/1/3/0/7/130740082/9656827.pdfIn PDF document text
- https://fetuxugov.weebly.com/uploads/1/3/4/6/134655394/6850346.pdfIn PDF document text
- http://jarewitof.mypressonline.com/77280093364.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449779/normal_5fca2b95a1ece.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
- https://4eb83289-b313-4542-b68c-79a1d4783db4.filesusr.com/ugd/f6336d_7168573b95684142bbadf2bb4d6c0148.pdf?index=trueIn PDF document text
- http://vamavaremimot.atwebpages.com/jenn_air_double_wall_oven_installation_manual.pdfIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_98c72d2a068b44d785df502c5dc6acda.pdf?index=trueIn PDF document text
- https://99ca13e2-8bf0-45b2-93fa-bbfb519f101f.filesusr.com/ugd/5392be_4e504398e0bd4b5e8fec6e706fadf4c7.pdf?index=trueIn PDF document text
- https://12c21f6a-324e-488c-af83-7e1076049286.filesusr.com/ugd/e84f25_d26bc8bb3fb44a27b73e04f50460bee2.pdf?index=trueIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_1ee5b8d7a6dc4791829fdfc93e114dc6.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11880 | 5192 bytes |
SHA-256: 6f3657c1dd522e96c57287d227a6381ffa0394dd11aa550cb7c66f52de590b0b |
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font_01_sfnt_off00012a2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2C | 12140 bytes |
SHA-256: dbba7ca53854965cc17bf7ef6ff41c6b4ddaec92ae7653113b911eb5f19bb774 |
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font_02_sfnt_off0001534a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1534A | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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