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 0.9996
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://golowaki.ru/strik?utm_term=asrock+z77+pro3+nvme PDF link annotation
- https://cdn.sqhk.co/mepowokugo/d3gfjfa/golf_ball_painting_for_preschoolers.pdfIn PDF document text
- https://cdn.sqhk.co/vopuvafamiw/0iatk3Y/lenovo_chromebook_300e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a98f38e8-5810-4fc9-be6a-c3d78c7c4f9f.filesusr.com/ugd/921909_b81d502fec8640f7b1caf09a6dfa2f62.pdf?index=trueIn PDF document text
- https://5ce19dfa-329f-495d-88d1-e1e7834d9072.filesusr.com/ugd/d902bb_3845db0fc4f043a5976421659c844d71.pdf?index=trueIn PDF document text
- https://dce579ed-4708-43c3-aaeb-2c76a6268d78.filesusr.com/ugd/944939_4c5cb43a76c647afb39b2218c27f8c24.pdf?index=trueIn PDF document text
- https://c480cc3d-c044-45b7-a7fa-747782367dcd.filesusr.com/ugd/a26f59_116d4417bbf9408da51f0b71401774d0.pdf?index=trueIn PDF document text
- https://68f06c25-eb64-4e0a-94e3-a0e33e610147.filesusr.com/ugd/463ace_064ec90658a6465f967266e4ef630f1f.pdf?index=trueIn PDF document text
- https://a3270cf7-0cad-4945-8928-03ebd18c7466.filesusr.com/ugd/f84671_8876888a6ae54b5a975a1cd30b79b05f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pevarijidasalop/apple_music_songs_to_phone.pdfIn PDF document text
- https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_cbeae30e9ac04ce98a620e83a1e843c1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/44083c46-0b91-44b0-b3dc-cd01ee3d033a/automobile_industry_mechanical_engineer_salary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a359fa05-91f0-49ca-83a6-dfcb673290e3/is_mixing_salt_and_pepper_a_physical_or_chemical_property.pdfIn PDF document text
- https://s3.amazonaws.com/fulosobezur/39075975510.pdfIn PDF document text
- https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_77694fe261174116b66ebbcb80fb2aa8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gurupixabogivaz/why_is_the_first_and_second_estates_be_opposed_to_change.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/196c2dcf-177d-4574-ad99-150f8eb47695/wilevumibobuk.pdfIn PDF document text
- https://21319658-e817-4d6a-846f-872ccfe0f0c2.filesusr.com/ugd/982af2_06b1beaba44646acba3cb09970efd6e7.pdf?index=trueIn PDF document text
- https://8c4778c4-ed17-4cf1-86f9-5448e21c5c15.filesusr.com/ugd/6da380_70d6131821714e9cb10b3d0d1d968bca.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zunaduxa/8488495569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bef22960-f8fd-44ac-8ef3-1ea89b1bbb74/degogeru.pdfIn PDF document text
- https://8d40832c-2e2b-4284-8151-bb35a16d80ac.filesusr.com/ugd/05d014_21ea5cf494684a5e81b28aa313d3e80f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nagudo/27450800960.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_off0000e8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C6 | 5244 bytes |
SHA-256: 113099ec639e64c75bb0eee28610f15ca130f345b4bcea10445ca512cf3eac61 |
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font_01_sfnt_off0000faad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAD | 11708 bytes |
SHA-256: b2386772dc51919a2de39479d036955c0de0ee51a5b04e453731b1adb029725a |
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