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 0.9995
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://bologen.ru/123?utm_term=spanish+ser+and+estar+worksheet PDF link annotation
- https://jafovoguna.weebly.com/uploads/1/3/4/0/134096268/9e7f7c03.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424349/normal_5fcc623b3a7d2.pdfIn PDF document text
- http://uaportal.site/zazojinajometopefumuzi40qwq.pdfIn PDF document text
- https://nimewoguvinu.weebly.com/uploads/1/3/4/4/134433183/gupete_daxonu_mubetitawub.pdfIn PDF document text
- http://samyog.ru/22084493905v4v7c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459035/normal_6017b1af0c3e3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417025/normal_600653cb60b84.pdfIn PDF document text
- https://mokowevabib.weebly.com/uploads/1/3/0/7/130739664/zamaremojil-lojuralevesopex-sogivo.pdfIn PDF document text
- http://tibudirowe.mygamesonline.org/82614466174.pdfIn PDF document text
- http://ribavid.medianewsonline.com/zetazasiw.pdfIn PDF document text
- http://copyrighytsupport.com/xerovamozazezasofavonuxapa5rp.pdfIn PDF document text
- http://flathead.us/gegagixopowejasitu8aru4.pdfIn PDF document text
- https://rorujazikuje.weebly.com/uploads/1/3/1/3/131379225/5383792.pdfIn PDF document text
- https://wijununag.weebly.com/uploads/1/3/1/4/131438003/5487506.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://54570836-76ea-4100-b78f-d1ba4c3cc0d1.filesusr.com/ugd/21ac59_7e960936fb5d48f098be36c1424a99d1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ed9de1b6-055e-4451-b67c-925702a7186e/sexamomuwavovezulubupaxog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85944eef-77bc-43f2-bca5-acc73fdf458e/pivowa.pdfIn PDF document text
- https://6205d428-d5dc-494e-bbc3-e2236f9d811e.filesusr.com/ugd/6885a6_d6d79959aac447bd8944db1526260e63.pdf?index=trueIn PDF document text
- https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_57910ace9bd24527b5a75926c194884b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/95796c17-bd27-42bb-bce1-b77d1d38a71c/why_did_the_romans_paint_their_walls.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f51acb05-0836-40dd-b731-771d9e022efb/84574438383.pdfIn PDF document text
- https://e942959e-95af-4115-ab05-a6e38533eaad.filesusr.com/ugd/66f7a0_67a0681c4d3f4c8fa762d76bd1246a11.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
- 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_off0000fb29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB29 | 5276 bytes |
SHA-256: 6b0d4f7bb67936d06bc6ca1fffa95d0ad9f7cabe33b7fb8b4af29946cb073898 |
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font_01_sfnt_off00010d22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D22 | 11792 bytes |
SHA-256: 0fc590316e082190217fc9c812d9ea7a84d9c92130dc60fb0ee5d66eb15dafb9 |
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font_02_sfnt_off00013481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13481 | 16348 bytes |
SHA-256: 1ef76bd0af1ed18cb90a69ac7331efa66219f2dc11f813c06bd802f6d3e596bc |
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