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 0.9992
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://synerhu.ru/pbw?utm_term=practice+worksheet+end+behavior+%2526+graphing+polynomials+answer+key PDF link annotation
- https://wiwupaluw.weebly.com/uploads/1/3/1/6/131606778/wesirap.pdfIn PDF document text
- https://dufibivi.weebly.com/uploads/1/3/5/3/135346242/750356.pdfIn PDF document text
- https://gatokoliza.weebly.com/uploads/1/3/0/7/130739470/b420248.pdfIn PDF document text
- https://pukewuvidepuf.weebly.com/uploads/1/3/4/3/134321324/9387412.pdfIn PDF document text
- https://bekefopu.weebly.com/uploads/1/3/4/6/134692172/52855.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465537/normal_60559de950c11.pdfIn PDF document text
- https://kewusubeve.weebly.com/uploads/1/3/4/5/134515363/ee8f11.pdfIn PDF document text
- https://vowodilob.weebly.com/uploads/1/3/4/6/134697463/8371987.pdfIn PDF document text
- https://jojurofi.weebly.com/uploads/1/3/4/6/134666092/tebekanawofa.pdfIn PDF document text
- https://xapugugividus.weebly.com/uploads/1/3/5/2/135298581/862443.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488316/normal_5fca793137602.pdfIn PDF document text
- https://dudasajaje.weebly.com/uploads/1/3/4/3/134362454/bagakozero.pdfIn PDF document text
- https://vonulimuwudepaf.weebly.com/uploads/1/3/4/1/134131723/d1347c868bc6a.pdfIn PDF document text
- https://zirefugat.weebly.com/uploads/1/3/0/7/130740019/fuvuruz.pdfIn PDF document text
- https://peguduzivinaw.weebly.com/uploads/1/3/1/6/131606374/ripim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418786/normal_60208b12998e4.pdfIn PDF document text
- https://kufesivewafe.weebly.com/uploads/1/3/1/3/131384244/300f75619.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/621b7451-f9e7-4ed5-87e7-52ea3d79c46f/boveranug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ad065dd-6ddc-4bab-95e5-f489b33ed933/signs_something_is_wrong_at_17_weeks_pregnant.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7f8d891-efbd-4db1-b582-9fbd24824500/kofedunopomowifipowibu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/447b13bc-9c1e-4514-941d-a3e6305e45ba/nisuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/753eea68-ab5d-4981-bb56-bffba0c6877b/whirlpool_gold_dehumidifier.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf326471-7b6d-4f38-94f3-60b6aa9c648e/why_socialism_book.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA8D | 5352 bytes |
SHA-256: 23b1dbbbc4c15c81e62f313968468fe61b86b13a544603cc9faa0f8b9e01f5e3 |
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font_01_sfnt_off0000eccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCF | 10240 bytes |
SHA-256: eaae3942efddaff4d43197def33badbdc415409e79b0f41ed1c6147d283cc7b4 |
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