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 0.9998
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://queure.ru/pbw?utm_term=composite+transformations+worksheet+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369796/normal_5fdbc8c8bf687.pdfIn PDF document text
- https://gijedilegin.weebly.com/uploads/1/3/1/3/131380969/5469848.pdfIn PDF document text
- https://gijojipile.weebly.com/uploads/1/3/1/3/131381352/848328.pdfIn PDF document text
- https://sexutenevasasi.weebly.com/uploads/1/3/4/3/134306733/nujukituvatigub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492588/normal_606e32e2a9170.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387219/normal_60111626544ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452161/normal_606841cc28829.pdfIn PDF document text
- https://dajadigab.weebly.com/uploads/1/3/2/7/132712332/d08edd0190f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418185/normal_6007a3f94eccb.pdfIn PDF document text
- https://vekafikag.weebly.com/uploads/1/3/5/9/135986004/6092692.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480897/normal_60bc0020ba788.pdfIn PDF document text
- https://vizavidonase.weebly.com/uploads/1/3/4/0/134040461/a2a849f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500201/normal_5fd8c86ac146f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489429/normal_5feb25eba67d2.pdfIn PDF document text
- https://kukegogefip.weebly.com/uploads/1/3/2/6/132681459/pozilanizono-meranedip-xowuda.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/35a7031b-a553-461c-9353-3e4ab9de4b3b/reassess_your_chess_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d95ba47-88d6-4f03-8807-ce387bc3f000/atwood_g6a_8e_rv_water_heater_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a209560-c1a4-4cc2-ba3f-ef37a4ede908/what_is_software_testing_life_cyclestlc_briefly_explain.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ef4b8f3-fa0d-4921-9537-46b96ed56679/bokijivimipowexevawezi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36b8d7dd-6c07-4c48-9495-1c554a80f5cf/does_fairy_tales_shampoo_kill_lice.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_off0000c92c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92C | 5172 bytes |
SHA-256: 2c1f79703684626a1ac804929c70b57ee5dcfc92daa5dde699547a86765f0a6d |
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font_01_sfnt_off0000daa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA5 | 10604 bytes |
SHA-256: ebc7edf62928a9cf7fa8992fa90e5942a574e67e83bda51ab3601b51bd35ffc9 |
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