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 0.9997
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/award?keyword=atomic+structure+worksheet+ks3+pdf PDF link annotation
- http://damvglaz0.xyz/excel_vba_function_return_2_valueslklah.pdfIn PDF document text
- https://kuduxefu.weebly.com/uploads/1/3/2/6/132695679/siwidizononagare.pdfIn PDF document text
- https://melesosinipedo.weebly.com/uploads/1/3/4/4/134475371/faguzi.pdfIn PDF document text
- https://xijiruxexewige.weebly.com/uploads/1/3/4/7/134725886/c3d288acc.pdfIn PDF document text
- https://wobapuzufisuro.weebly.com/uploads/1/3/4/0/134042344/kimokinamijotu.pdfIn PDF document text
- https://benejawu.weebly.com/uploads/1/3/4/1/134131543/0286a6.pdfIn PDF document text
- https://vonulimuwudepaf.weebly.com/uploads/1/3/4/1/134131723/bevumi-jadajegipiru.pdfIn PDF document text
- https://wuwosafojopog.weebly.com/uploads/1/3/1/4/131407683/fevidezifos.pdfIn PDF document text
- http://varietystore.website/cephalometrics_for_orthognathic_surgery_burstone1flit.pdfIn PDF document text
- https://girawosanisab.weebly.com/uploads/1/3/0/7/130740609/5cb223574b3f0e8.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://11210a16-d5d1-4e17-93a3-27fbbb12f21b.filesusr.com/ugd/fb658e_6d190054c2be4eb3b768b95476db8487.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ditiruz/50980152282.pdfIn PDF document text
- https://b4140449-9b96-4148-8619-c9b3eed7b48c.filesusr.com/ugd/c33cdb_52b3c266611945c79033a7ce291e310a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wunupalezozerud/moweme.pdfIn PDF document text
- https://22520ec4-2132-45a5-98b8-54db1b71d3ea.filesusr.com/ugd/b33b96_1f24c43af6214815acbd816721592a5a.pdf?index=trueIn PDF document text
- https://a97cc435-ef8e-4ffb-8544-4b9c0bda5a6e.filesusr.com/ugd/7ab440_80f99e243a3c4dea9ec066da10bc6330.pdf?index=trueIn PDF document text
- https://083189c9-8220-4687-a375-57be19a37228.filesusr.com/ugd/909b15_f0624b4ef9c34acc8e961d4c14910ff7.pdf?index=trueIn PDF document text
- https://80c8fd16-4cf8-4f9f-b52b-d6c956df8f3b.filesusr.com/ugd/1a94e8_5be57fd0b9d44224b08db0b2d4c1f36c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kovezodepugov/kumenetoro.pdfIn PDF document text
- https://115777a2-cc0e-4789-9e99-30cf4bdfca1a.filesusr.com/ugd/2b3546_ea73d79bb4e94dc6887196a8bfcb9c0c.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD155 | 5236 bytes |
SHA-256: d93a233448ca897dbbe2f3c4aae008972ded59dde6a5db87421ab27dbbdc585c |
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font_01_sfnt_off0000e341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE341 | 10812 bytes |
SHA-256: 3d950135055e4274cca9f72d5bd31ec604033106ee72101ce6059b77aabe7d8f |
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font_02_sfnt_off0001077f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077F | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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