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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://druttle.ru/award?keyword=shinjuku+map+english+pdf PDF link annotation
- http://rowowesofazov.medianewsonline.com/paper_folding_and_cutting_reasoning_tricks.pdfIn PDF document text
- https://cdn.sqhk.co/wifurovud/eITibjj/84967933818.pdfIn PDF document text
- http://hookup750.website/95051882830jeyu8.pdfIn PDF document text
- http://geosen.net/translate_document_to_chinese0sdby.pdfIn PDF document text
- https://cdn.sqhk.co/balekunu/hingegX/catchmaster_insect_trap_and_monitor_sds.pdfIn PDF document text
- http://joblanc.xyz/arunachal_pradesh_tourism_guidehbjan.pdfIn PDF document text
- http://czecheducation.space/hp_elitebook_folio_9470m_memory_specse06df.pdfIn PDF document text
- http://rimarilomikozu.medianewsonline.com/adventures_of_tom_sawyer_original.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f547abb5-1aa8-4230-843c-27a4569414f9/primeiro_de_maio__feriado_nacional.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f34d5241-0618-4965-a2a6-657a5aa9f6e5/91945988358.pdfIn PDF document text
- https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_c2980a739a0c43a39f6b2bb4c07c7589.pdf?index=trueIn PDF document text
- https://c9ecad83-e70d-4e71-84d8-0086c45344aa.filesusr.com/ugd/01a317_259a2be2302849c8855bda69d06dc7b5.pdf?index=trueIn PDF document text
- https://3d5b2cfc-74f5-4c02-8466-0d369b02955c.filesusr.com/ugd/69b86f_02db4177e0dd416eb9836bf578f44bae.pdf?index=trueIn PDF document text
- https://275320ff-96dd-455a-9699-a0fdc58b27a5.filesusr.com/ugd/943725_a8487c6ab96241febac8198ecef30bb2.pdf?index=trueIn PDF document text
- https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_ed879d6c68a9407ba77bf8a464447f35.pdf?index=trueIn PDF document text
- https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_d94c682359424d359bd49a006bd72b23.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7577abae-f52f-4086-9c97-a3ab10fd44a4/american_literature_books_for_college.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7aa8f0cb-d875-451c-b5d0-01a41fcb4e6c/why_will_my_printer_not_print_on_photo_paper.pdfIn PDF document text
- https://7043ee2c-bc2d-4d46-b82c-b0075177c1aa.filesusr.com/ugd/f862b5_86f21b131a9c4e31ba6c523e2dd83f28.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f165f6e2-1338-4aa1-ac74-ac1a53b55856/xerox_workcentre_7855_brochure.pdfIn PDF document text
- https://2a009ac4-5770-49f2-ae16-4ce107243443.filesusr.com/ugd/59deca_f1c0bce1fcd74e36a6378fa9bef83c33.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_off00011091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11091 | 8736 bytes |
SHA-256: 1aede7c740506b1aa935620cae16c50f02783f87a769ded163048ab3ee794330 |
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font_01_sfnt_off00012da5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA5 | 5600 bytes |
SHA-256: 348c64cbbf66987655d0a6eb245842d168beeb62021b14eedb6f9d6983771bf7 |
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font_02_sfnt_off0001408f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1408F | 12040 bytes |
SHA-256: 6ec09210fa99dd21a93fc901bae956e1fbb72a7bb978e85d27f2041e7396f311 |
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