MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The primary URL, https://baarspo.ru/wix?keyword=solutions+concentration+and+molarity+phet-chemistry+labs, indicates a potential phishing or malware distribution lure. No scripts were extracted, but the PDF structure and link farm behavior are indicative of malicious intent.
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://baarspo.ru/wix?keyword=solutions+concentration+and+molarity+phet-chemistry+labs PDF link annotation
- https://static.s123-cdn-static.com/uploads/4411937/normal_5fecd25dc3455.pdfIn PDF document text
- https://kunefenirubineb.weebly.com/uploads/1/3/0/7/130739500/39c101a8e1f525c.pdfIn PDF document text
- https://cdn.sqhk.co/tijaxasazuwi/jdM0hdG/empire_war_age_of_heroes_hack_tool.pdfIn PDF document text
- https://cdn.sqhk.co/sovokeduseb/0ijgdFU/hangout_gulf_shores_covid.pdfIn PDF document text
- https://zinegekoxemajaj.weebly.com/uploads/1/3/4/7/134767253/selejemed.pdfIn PDF document text
- http://tenipimutav.mywebcommunity.org/47171782595.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410441/normal_5fe23f2e753ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454550/normal_5fd2dd9f69d19.pdfIn PDF document text
- http://pililiriniru.mypressonline.com/81451203649.pdfIn PDF document text
- https://kokujefep.weebly.com/uploads/1/3/1/4/131409677/60d8c7f1bd6eb15.pdfIn PDF document text
- https://zakuxaposud.weebly.com/uploads/1/3/1/3/131382531/5aea82c8d.pdfIn PDF document text
- https://cdn.sqhk.co/puvegipuros/gcVzFuI/53295639353.pdfIn PDF document text
- https://cdn.sqhk.co/tewokozogop/gjAHyjh/juzusijafasutolepafagugum.pdfIn PDF document text
- https://siwizapetodid.weebly.com/uploads/1/3/4/0/134041585/nazosawokuzi-rupufaxegoka.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1923692e-f727-4f58-80a8-3583160180e3.filesusr.com/ugd/c4ccc4_890c8bcd98c54b33b4d3b7420e21cdfc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5cd46d12-2076-4229-826d-a02932c9a877/89372654971.pdfIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_adac54dd79a542fd875d5064197113d6.pdf?index=trueIn PDF document text
- http://forezepolutaju.onlinewebshop.net/mezokek.pdfIn PDF document text
- https://58552d80-c20c-4e4f-99b9-91bedbcc07a3.filesusr.com/ugd/c18496_442c54724f6f4f5bae68730a2eb98192.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/382f7e6e-8e25-4b67-bbef-163b33a0d131/s107_helicopter_charger.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_off0000c9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F2 | 5692 bytes |
SHA-256: 0d16e2bc4d2289985ece7336c17624c22a03038d6b50fd347f23183e350065a9 |
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font_01_sfnt_off0000dd27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD27 | 10288 bytes |
SHA-256: b8b3281550fddbdde7029f8324fe616c0af28e2388a1efa41ed374b437c48f5c |
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