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://mezovuduw.ru/123?utm_term=opposite+form+of+arrogant PDF link annotation
- https://cdn.sqhk.co/sarowojep/dihiegd/pocket_world_3d_assembly_models_unique_puzzle.pdfIn PDF document text
- https://riwaxetonebena.weebly.com/uploads/1/3/4/3/134363930/ziwujapeseti_kavafodejad.pdfIn PDF document text
- https://cdn.sqhk.co/vefasebo/qihXujj/bride_and_groom_perfect_wedding_games.pdfIn PDF document text
- https://cdn.sqhk.co/vutazekerubu/ge2FUje/33482050600.pdfIn PDF document text
- https://cdn.sqhk.co/finelega/iilifGr/lavefowixegul.pdfIn PDF document text
- http://tugidunamoz.22web.org/pediatric_conjunctivitis_guidelines.pdfIn PDF document text
- https://cdn.sqhk.co/rugofufol/gcPhgjg/fashion_story_halloween_goal.pdfIn PDF document text
- https://tujeliwavujojow.weebly.com/uploads/1/3/5/3/135304707/b416a.pdfIn PDF document text
- https://worojuwoxalo.weebly.com/uploads/1/3/0/8/130814432/3216726.pdfIn PDF document text
- https://cdn.sqhk.co/xaveredero/3hioNhb/lobbying_meaning_in_english.pdfIn PDF document text
- https://cdn.sqhk.co/bazurara/jrhdzkN/82799292345.pdfIn PDF document text
- https://redojakora.weebly.com/uploads/1/3/2/6/132682723/a8461f2dfa1.pdfIn PDF document text
- https://cdn.sqhk.co/jotepomi/hanncge/how_to_make_a_knife_sharpener.pdfIn PDF document text
- https://cdn.sqhk.co/nasanoroge/ijKhavL/vipafomivafotigezonixu.pdfIn PDF document text
- https://jubiwaxu.weebly.com/uploads/1/3/4/6/134645567/05103cab4f9.pdfIn PDF document text
- https://cdn.sqhk.co/gujuvizaja/jfrKEii/76930971328.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/mawesenasijoser/update_android_huawei_p20.pdfIn PDF document text
- http://janalusexisowa.epizy.com/landlord_lease_template_texas.pdfIn PDF document text
- https://s3.amazonaws.com/xetasif/secure_connection_error_return_code_23.pdfIn PDF document text
- https://s3.amazonaws.com/dowavelaxam/tenancy_reference_letter_template_uk.pdfIn PDF document text
- https://s3.amazonaws.com/libusamagowuvo/josuvibez.pdfIn PDF document text
- https://s3.amazonaws.com/fatikonavori/75332807619.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_off0000e424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE424 | 5216 bytes |
SHA-256: ed2e277c5f4728f5a8d57aa956a2dbdfb1ef9e814ad2c688da4d2644705d70a2 |
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font_01_sfnt_off0000f5c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C8 | 11672 bytes |
SHA-256: 2ee6a8c8bd2fb7f5515e3763cd986f4d458cc9e3d592f2f56c627d0e2033ad76 |
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