MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting it functions as a link farm. The primary URL, https://jacksth.ru/strik?utm_term=top+bar+hive+plans, is likely part of a phishing or SEO spam campaign. No scripts were extracted, but the PDF structure itself is designed to redirect users to potentially harmful external content.
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://jacksth.ru/strik?utm_term=top+bar+hive+plans PDF link annotation
- http://cabinetshq.xyz/45383095462sj4i.pdfIn PDF document text
- http://perevozka.ru/estimating_the_mean_from_a_grouped_frequency_table_exam_questions55v86.pdfIn PDF document text
- https://gisijenoxumo.weebly.com/uploads/1/3/1/4/131437849/soveditaw_nobenav_zinefiv.pdfIn PDF document text
- https://selikiwomutarew.weebly.com/uploads/1/3/5/3/135329437/322367.pdfIn PDF document text
- http://xiwesesakuvel.medianewsonline.com/nigolifi.pdfIn PDF document text
- http://wadopipojadali.iblogger.org/58740099241.pdfIn PDF document text
- https://bisodipodur.weebly.com/uploads/1/3/4/5/134592442/7389683.pdfIn PDF document text
- http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
- https://wemizufatevovig.weebly.com/uploads/1/3/4/8/134896488/1229427.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/b2320459-54bb-4d92-a4ab-927c380bb80c/tadusolenudapuzuvadeni.pdfIn PDF document text
- https://1e1f235d-56dd-4976-b20d-d38e3fe7b172.filesusr.com/ugd/210b45_dc23bd0e5b6d4285aa3d8cccfd1abda0.pdf?index=trueIn PDF document text
- https://0ed7c29b-d5f2-4290-8b47-add6aa38300d.filesusr.com/ugd/32a223_514fce0a4b714f9fa1a9d7228f29b966.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f75f8f8d-bdf3-493b-9755-05bcde75c275/what_is_scatter_diagram_explain_with_example.pdfIn PDF document text
- http://zusunikumejimet.rf.gd/83320938783.pdfIn PDF document text
- http://tebaputazaxuva.myartsonline.com/35057462552.pdfIn PDF document text
- http://zisukuvi.atwebpages.com/vaguwugobadiwibimina.pdfIn PDF document text
- http://sufumawug.epizy.com/believe_in_yourself_quotes.pdfIn PDF document text
- http://zijodere.rf.gd/age_of_wonders_3_strategy_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0960f82-8e62-428c-9596-c64293422660/sd_firefighter_forcible_entry_door_prop_plans.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_off00012d98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D98 | 5056 bytes |
SHA-256: a2bfb46c8d2288c51c6f85b5831014d435d84e9964fbc90134084da8732355db |
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font_01_sfnt_off00013ec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EC2 | 10448 bytes |
SHA-256: 0485e294dc267c2660da043d3d25c89e49eaa3b83a44e719a7748d53beeac99b |
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