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 0.9998
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://crophysi.ru/strik?utm_term=are+princeton+review+gre+practice+tests+accurate PDF link annotation
- https://cdn.sqhk.co/tefebenum/ihRP1hc/94029355507.pdfIn PDF document text
- http://tavafotuzefox.sportsontheweb.net/astral_projection_guidebook.pdfIn PDF document text
- https://cdn.sqhk.co/wenewojufaj/bDiawdH/ezpay_solon_schools.pdfIn PDF document text
- http://zurujavurobe.scienceontheweb.net/written_in_my_own_hearts_blood_audiobook_free.pdfIn PDF document text
- https://cdn.sqhk.co/musutalivun/rM53hez/jungle_party_flyer_template_free.pdfIn PDF document text
- https://cdn.sqhk.co/nodujugebi/hhZhblt/blockys_eatery_loveland.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/2969482e-ede8-43da-a1a1-7085ff2203b3/over_the_edge_rpg_kickstarter.pdfIn PDF document text
- http://jezevenakos.myartsonline.com/what_month_to_plant_tomato_seeds.pdfIn PDF document text
- http://gegetebipa.atwebpages.com/artificial_intelligence_journal_download.pdfIn PDF document text
- http://sifebitufol.onlinewebshop.net/how_to_be_a_doctor_in_spain.pdfIn PDF document text
- https://s3.amazonaws.com/lulelepese/26862329718.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/822fc595-30b6-45ad-b199-404f068d0d52/how_to_download_itunes_music_to_ipod_nano.pdfIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_5357b026411540f499dd9ffb3bf9e2fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4010000a-068c-4ce7-82e2-a61ddb2935bd/what_is_a_public_health_administration_degree.pdfIn PDF document text
- http://piwakitidi.onlinewebshop.net/27066640066.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f43dd10f-c31e-4eeb-aaa0-a96f15e75742/arms_reach_mini_co_sleeper_mattress_dimensions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fbacc713-a73d-4e27-9fa0-7f2fb7de34c2/how_to_set_aside_default_judgment.pdfIn PDF document text
- https://s3.amazonaws.com/fupanabivote/itg_mpu_gy-_521_datasheet.pdfIn PDF document text
- https://9d50af6f-dbf7-41ba-b854-83985329a12b.filesusr.com/ugd/33c377_0f0ff68df332411a8e5c20889c6e8055.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f597.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF597 | 5212 bytes |
SHA-256: 7da3235bfe699841553253b29a68df78ae6ec66240e753c8b781972c42a8ad18 |
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font_01_sfnt_off0001077f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077F | 10644 bytes |
SHA-256: 6a3553fcda8af5650d4afb90860d6f347f799a793c30a4fbf375d4bf815f60ab |
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