MALICIOUS
206
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. It uses an "enable content/editing" lure. 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 0.9992
Heuristics 7
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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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://resalured.ru/strik?utm_term=ativador+office+2016+definitivo+2019 PDF link annotation
- https://pejifivoriruruk.weebly.com/uploads/1/3/4/3/134314693/2885de2cd56945.pdfIn PDF document text
- https://waluxine.weebly.com/uploads/1/3/4/7/134759732/c90b94b.pdfIn PDF document text
- https://miwijefovutifim.weebly.com/uploads/1/3/5/3/135316182/4032251.pdfIn PDF document text
- https://tigewatujuw.weebly.com/uploads/1/3/0/7/130738543/zudaragimiku.pdfIn PDF document text
- https://gitapobukelagij.weebly.com/uploads/1/3/4/2/134266265/vijufadewixa-wufelogap-visukezupi.pdfIn PDF document text
- https://biditojutorosas.weebly.com/uploads/1/3/4/6/134657596/a32e599c.pdfIn PDF document text
- https://fazuzuxidugijef.weebly.com/uploads/1/3/4/4/134475184/kunufuborijej.pdfIn PDF document text
- https://ranepudanaliv.weebly.com/uploads/1/3/4/0/134000181/4d8ee7.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/b9935a87-c312-45a3-b3b4-30400ea59f94/how_to_draw_a_christmas_tree_step_by_step_with_pictures.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ee64a24-4579-4d88-9b6e-7d6433bd26ac/92064147481.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfb16dfd-efaa-4958-ad10-fab19a57403f/taco_bell_power_bowl_how_many_carbs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77a8dac0-dba9-4f3d-8935-be75a3539752/un_curso_de_milagros_leccion_169.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aee4f7cd-768d-4e4d-a49d-ced904510c81/83533001465.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cff4dfaf-9821-4901-82dd-bb2c33be6f9f/what_is_the_movie_brave_new_world_about.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a5d4444-f0c0-417f-99c7-53fbfcac47b8/jonatilaxidijelifiwuzuna.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11091ac8-bf1d-48ab-a838-987d6769762d/kavek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55269498-8494-4509-a3af-56eb4f2906d9/is_under_the_banner_of_heaven_a_true_story.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23643482-701e-4bc1-bd3c-bc16068112c9/53036879134.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24dc6149-06e2-400f-8a4e-31e49eb2e932/93189386863.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89ccaba2-8d60-471b-a6a2-1eb34e0aeac6/zixalisome.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3677e3f-0d02-4cd9-8b05-6b752a4beb69/rangers_apprentice_book_1_free_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6df9e6eb-dd84-4d1c-b96f-942dcbb39dbf/how_often_should_you_drink_braggs_apple_cider_vinegar.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f23c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23C | 9708 bytes |
SHA-256: f9a43d0af55a8821026b0e8d748d46df62e978f9c62b5e30a1ef009a166c59a2 |
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font_01_sfnt_off000112ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AB | 5488 bytes |
SHA-256: a2c7aaef904dda622ba4f183ffc502c888110f67ea091d11b2a66af72b3abbcd |
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font_02_sfnt_off00012574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12574 | 13464 bytes |
SHA-256: cbda3e7baf9411fe6bb6261613067eb7b9a044f4f4ec1baec197ed35bd558f86 |
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font_03_sfnt_off00014ef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF1 | 16224 bytes |
SHA-256: b2420688700ae8092c1c17765f76d7be945926092e36c06f35a393ba2fc63381 |
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