MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs and the document body, which appears to be a garbled attempt to present a book title, are consistent with a phishing or malware distribution scheme.
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://nipisod.ru/strik?utm_term=the+power+of+critical+thinking+5th+canadian+edition+pdf+download+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426545/normal_6062f25078c79.pdfIn PDF document text
- https://vebuwume.weebly.com/uploads/1/3/5/3/135349689/e7453c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478132/normal_5ffe9b4ef14b0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425784/normal_5fd088b38f35a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454547/normal_5fcda98fab70e.pdfIn PDF document text
- https://nugumogixowujo.weebly.com/uploads/1/3/1/4/131437940/memitugesoxuta-zanoboniwof-reregipepesarul-kemekawu.pdfIn PDF document text
- https://lupagizan.weebly.com/uploads/1/3/1/6/131637074/9902667.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447464/normal_606739c93719b.pdfIn PDF document text
- https://gazumewus.weebly.com/uploads/1/3/4/9/134901575/kemososano-gelaramud-toxofokesuk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445881/normal_5fdee5e4c93be.pdfIn PDF document text
- https://taxonegumogel.weebly.com/uploads/1/3/5/3/135330056/6629932.pdfIn PDF document text
- https://towowiwegopute.weebly.com/uploads/1/3/4/0/134019464/tunojuzeb-resitodegu.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://uploads.strikinglycdn.com/files/fdb2a811-1125-4f96-afaf-aa1d2de2c8a7/33616285529.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/011b71e9-92c5-4a88-ba84-8110e4b5c1f1/ge_cordless_phone.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e6af86c-50f9-45ab-a54a-7803abe0f92e/metamorphosis_by_franz_kafka_critical_analysis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a63bd4aa-d6db-4b5c-bea5-8ab4c484e391/wofipimu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7119e34d-cfab-42eb-9eed-67d6d5ccb718/whirlpool_duet_washer_fault_code_f02.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e041203-6220-406f-af55-47f534f6984b/kesarufedopusidemi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c5b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5B8 | 5256 bytes |
SHA-256: bd1fc8b1da9b552a6111ed7d6e3330d32c811f611a459503bc998e86f8fad532 |
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font_01_sfnt_off0000d7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A2 | 9852 bytes |
SHA-256: 6fb677e413ae2561aa7a9e5e060533ba6de516e208f0121b903f07d7ec9008be |
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font_02_sfnt_off0000f94b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94B | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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