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 0.9995
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://soxebez.ru/123?utm_term=my+talking+cat+inna+apk PDF link annotation
- http://kaboliwup.mypressonline.com/xejunena.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473379/normal_60411eba0c4ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474450/normal_600401c9a7c40.pdfIn PDF document text
- http://zazorin.scienceontheweb.net/destro_lock_pvp_6.2.1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488560/normal_603c271971255.pdfIn PDF document text
- http://siwosupegejolop.medianewsonline.com/85180676457.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_4bb91faf13e6477980284a72ca27726f.pdf?index=trueIn PDF document text
- https://627ea4a7-3f28-4bf3-8c99-6a9da7dacf48.filesusr.com/ugd/1970e2_63b6210480c941d484fff9a7d36a4064.pdf?index=trueIn PDF document text
- https://0e67983c-e844-40c9-b604-97311ec94efe.filesusr.com/ugd/6e13d9_2df771a917f144d49d1ebece7b8b6463.pdf?index=trueIn PDF document text
- https://16e729f2-8c5c-4787-b670-14aeba6c5e03.filesusr.com/ugd/ac55e2_b34d4ee546964a17a8f08e317182d203.pdf?index=trueIn PDF document text
- https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_5bb3e37222ad4ddcabb71ff114e406e9.pdf?index=trueIn PDF document text
- https://ecfc1f44-6648-4072-bff5-6ee4adcfbe4f.filesusr.com/ugd/e5a943_587f02f2800946508d07092fc1e0cc03.pdf?index=trueIn PDF document text
- https://ab2ac9d4-4772-4872-829d-c19fde0a4f90.filesusr.com/ugd/b919b3_f39da284d1024eec9e704b2980138ac2.pdf?index=trueIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_2acb24d59ec94e96b33f0b13fff5ddb4.pdf?index=trueIn PDF document text
- https://fab88ded-2f12-46c9-b6ec-f290036286cc.filesusr.com/ugd/cce69c_d485f6956fa745bc8f6a94ec7b7eb5d8.pdf?index=trueIn PDF document text
- https://b2fc43c4-60ab-4dc1-a1c8-84833fda4e2a.filesusr.com/ugd/37321e_c6d22a43d17b4773ab672fa079f194de.pdf?index=trueIn PDF document text
- https://8650d040-a33d-467d-a608-6706f181f11b.filesusr.com/ugd/61b8bf_2dd03c0c62204743bde9939f3e7a20d6.pdf?index=trueIn PDF document text
- https://14319df0-7947-4f0d-bbb3-eaa17d5eb23e.filesusr.com/ugd/c45f38_4f0e08397f374c78afb126c929fbc85e.pdf?index=trueIn PDF document text
- https://2cc3dcad-61c1-4442-8662-ca5be7cd8672.filesusr.com/ugd/71b93f_6659bf47cf0040c6af7545c2b60a4a4d.pdf?index=trueIn PDF document text
- https://4a5660cc-52a2-48ff-9acb-4b4f1704cb6e.filesusr.com/ugd/81868d_5bee710020084a2680a1348f33800934.pdf?index=trueIn PDF document text
- https://ddb1515c-011f-4d6c-9a6c-b305a2039a85.filesusr.com/ugd/477ac5_b905b20266f64ecea9d99fc791b3e52e.pdf?index=trueIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_865f0668048b4cbf978cff3c5ce324c9.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8EC | 4996 bytes |
SHA-256: 77721019a0e8a0424a37576a5f35f34507ee9b61cc86441c515ef8e1ba896401 |
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font_01_sfnt_off00010a23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A23 | 14312 bytes |
SHA-256: 768c29ca15d4ad38aef84446b14bb88221be02feb7fb9328872ec0336d10bcc0 |
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font_02_sfnt_off0001362d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1362D | 16164 bytes |
SHA-256: 0646a63a478fe53468b8dbbe05b608d617a04836cde27f490c8d0ce00ae8a9f2 |
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