MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, directing users to numerous external websites, many of which are hosted on disposable domains. The primary lure appears to be a search result for "how to make my exercise bike seat more comfortable", suggesting a phishing or malware distribution attempt. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, along with a high ML classifier score and ClamAV detection, strongly indicates malicious intent.
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://dugedepap.ru/strik?utm_term=how+to+make+my+exercise+bike+seat+more+comfortable PDF link annotation
- http://biwumani.mywebcommunity.org/acute_decompensated_heart_failure_adalah.pdfIn PDF document text
- https://kosilamegorigi.weebly.com/uploads/1/3/1/4/131409210/6260444.pdfIn PDF document text
- https://naxonefewu.weebly.com/uploads/1/3/5/9/135961026/tigiwalo-xefalud-dinasixupax-ledikusimix.pdfIn PDF document text
- https://kobigaxa.weebly.com/uploads/1/3/3/9/133997295/852941.pdfIn PDF document text
- http://lamaded.mywebcommunity.org/xekixoxubavesafosese.pdfIn PDF document text
- https://buzalunila.weebly.com/uploads/1/3/1/6/131606025/fikar-nagogesoxopuz.pdfIn PDF document text
- https://fikijumosoliz.weebly.com/uploads/1/3/5/4/135400707/farinisoxatu-sigog.pdfIn PDF document text
- https://verumoxozuvije.weebly.com/uploads/1/3/1/4/131407377/zofujalafagu-janezitudinebij-tazopidogatefuw.pdfIn PDF document text
- http://mavpa.fun/understanding_yourself_and_othersc4tcw.pdfIn PDF document text
- https://fawitazekivaji.weebly.com/uploads/1/3/1/4/131454143/kezamokejokigegeg.pdfIn PDF document text
- http://pristav.pro/oecd_glp_guidelines_pptmuhim.pdfIn PDF document text
- http://4bochki.ru/android_developer_snackbar_example2a027.pdfIn PDF document text
- https://govoxarenaja.weebly.com/uploads/1/3/4/8/134874143/67560.pdfIn PDF document text
- http://disconto50.pro/minister_license_ohio_onlinermzum.pdfIn PDF document text
- http://pakunobun.getenjoyment.net/wedojup.pdfIn PDF document text
- http://loxupuf.mygamesonline.org/fodigufawanu.pdfIn PDF document text
- https://bukodebavuv.weebly.com/uploads/1/3/4/6/134657655/fidasegitajivetox.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://kuwitabetegipo.myartsonline.com/les_miserables_characters_2012.pdfIn PDF document text
- http://nibizuladode.onlinewebshop.net/72437283241.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1f84c76-3a7d-48cd-b8f4-99b5c26cf840/description_of_a_rainstorm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d9e1c9d-db2a-4f42-a93a-110c52cf893e/the_first_georgians_the_german_kings_who_made_britain_episode_2.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DD | 5136 bytes |
SHA-256: 38bbd8a9bf5c5c4e4e9e1d86b01505c9bde85996b2ebc365d42eaa1c6c5ddb42 |
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font_01_sfnt_off00010771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10771 | 10812 bytes |
SHA-256: 97b3b75b79c8bea7ba67e695f0a62c109cc4e1cffb02f089294bc9e245cdeb48 |
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font_02_sfnt_off00012c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C3C | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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