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://crophysi.ru/strik?utm_term=used+club+car+gas+golf+cart+for+sale PDF link annotation
- https://static.s123-cdn-static.com/uploads/4479688/normal_5feef7d804530.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378170/normal_60345603bc2e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410727/normal_60560bea672f7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://40c507a3-37b7-491f-afd3-f28ba3af1fb2.filesusr.com/ugd/7f5264_e7542b2057a1436490990ba9811b6f89.pdf?index=trueIn PDF document text
- https://8a7e94d2-1b07-4399-8a7b-cfebf1eb419e.filesusr.com/ugd/e78b77_d0ec1db6b74c4a65a41055f000aac92f.pdf?index=trueIn PDF document text
- https://ff0b3df2-dc61-4aeb-9024-93fa9b5bc175.filesusr.com/ugd/aa14a9_3d77c68f8b9d498a91341380c436d150.pdf?index=trueIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_2f0249c2969e4853897ee50860c429d7.pdf?index=trueIn PDF document text
- https://a3c73713-be4b-4c8d-a01f-dab92ecb4e1a.filesusr.com/ugd/5df860_034dba8f00e1428d949be6a4c5e72d38.pdf?index=trueIn PDF document text
- https://58552d80-c20c-4e4f-99b9-91bedbcc07a3.filesusr.com/ugd/c18496_0d8a5e89f17e4e41bdc977d698bc738c.pdf?index=trueIn PDF document text
- https://d115d978-d96a-40c8-9764-5d959708fc35.filesusr.com/ugd/436160_63f2166d12494ae2bebc6826c8dd2b80.pdf?index=trueIn PDF document text
- https://0a9d52b7-bae8-445b-b6d2-8eba0f02533c.filesusr.com/ugd/729231_fbb3bece42ea4b68ad689f5a6f0a628c.pdf?index=trueIn PDF document text
- https://c38d9960-f3a4-46a0-b266-cfc7836dd0ed.filesusr.com/ugd/a8d9c8_727c8e380b304114807aeb35b01b88fa.pdf?index=trueIn PDF document text
- https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_decfd1b299a949c6952bd23b89be36cf.pdf?index=trueIn PDF document text
- https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_38d5d766773a46759b16cd1a681ce6eb.pdf?index=trueIn PDF document text
- https://8d928d4c-4e32-4dc6-8093-d383c90b3cca.filesusr.com/ugd/b5d49c_5e3f1695fd314119ac18b6ad88aec270.pdf?index=trueIn PDF document text
- https://108bb973-5399-4bf7-a70e-a18780752cac.filesusr.com/ugd/760a88_035b5096a9cc4bae873c508d12470784.pdf?index=trueIn PDF document text
- https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_0413ba81c85b46e991e3463a7945e942.pdf?index=trueIn PDF document text
- https://4b4ea461-5266-411b-8735-d5290551f550.filesusr.com/ugd/7fedcf_ba36ea66c2a9477fb4cc6509166f9d7a.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d936.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD936 | 5320 bytes |
SHA-256: b06c7aba5659d34fffc76f4d1ae46a493e9973534951a50fb79347d9ada61c70 |
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font_01_sfnt_off0000eb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5E | 10492 bytes |
SHA-256: 5e236a7818f543822670bd968ca6429f95e45a14f90211a48061c17d1bc079ad |
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