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 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jacksth.ru/strik?utm_term=will+there+be+a+5th+how+to+train+your+dragon+3+on+netflix PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465949/normal_605f8fa4df205.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425533/normal_5fcd6f376a6a4.pdfIn PDF document text
- http://baliferifopiz.mypressonline.com/29841106244.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366398/normal_5fe6632fbfa42.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447095/normal_606cc556f1908.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445532/normal_5fd797ec5fdf3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462339/normal_603082925724b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369632/normal_6014d79a43de5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465015/normal_5ff384ea34e9e.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://s3.amazonaws.com/tokit/63465421377.pdfIn PDF document text
- https://30d6ba4c-d201-4e26-8f31-a0e059b28788.filesusr.com/ugd/f9b8bb_21e1d7809b6f44fbadc31c6bb57142b3.pdf?index=trueIn PDF document text
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_e533ae573e7942208b3e087544949e88.pdf?index=trueIn PDF document text
- https://75ca6b5e-a470-4e0e-8004-b00a9f1721b4.filesusr.com/ugd/1e4819_ce840205fa834b02b1e47bce61434f3f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tojazudibumogab/vifesemodajikamana.pdfIn PDF document text
- https://ff0b3df2-dc61-4aeb-9024-93fa9b5bc175.filesusr.com/ugd/aa14a9_9c15be9de36c4056b8c2f2da06aa7ade.pdf?index=trueIn PDF document text
- https://01ff271a-2d66-4e22-ac0f-a796646d2f56.filesusr.com/ugd/8d93e9_3662e587b5334ce692c2781f6e342784.pdf?index=trueIn PDF document text
- http://jokosen.atwebpages.com/37056298583.pdfIn PDF document text
- https://dcc20dec-0195-4543-b617-cfb82efd15f0.filesusr.com/ugd/30ea26_7e5582139ae446178121b559ba9f23e3.pdf?index=trueIn PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_7335d47986d54d859f2b4872c8b3dd1c.pdf?index=trueIn PDF document text
- https://add83a7c-0e31-48b3-928b-061d82ba9144.filesusr.com/ugd/205ae4_e5d5eaaf04c24ef992e1b16950d634da.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mukutud/gndu_2019_date_sheet.pdfIn PDF document text
- https://b3079848-b07e-4d89-9244-05dfa5dd91fe.filesusr.com/ugd/3ab5ed_04fbd4b94cc941cb85e8fcd6e88a8c32.pdf?index=trueIn PDF document text
- http://bumurulepowele.myartsonline.com/gabamaxiwuxilotagilivif.pdfIn PDF document text
- https://fdb4f28e-c637-431f-967d-457feef73efb.filesusr.com/ugd/cf5aa9_5b029b9b2e384f13b1c63018730060ba.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/viboxikuz/tawulifasemexipona.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_off0000fdb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB4 | 5576 bytes |
SHA-256: c26b6a95b7a29fcb16dde61200c60dae57b414cb486f3e9d5f9bc4612071a888 |
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font_01_sfnt_off000110bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BD | 12092 bytes |
SHA-256: ad450954785faf6efc29297fb6121372b97ae3087b6d298d383584e69decf5d6 |
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font_02_sfnt_off0001381e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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