MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was flagged by multiple critical heuristics indicating malicious redirector links and a link farm structure. The ML classifier also strongly indicated maliciousness. The PDF contains numerous embedded URLs pointing to various hosting services, including Weebly, suggesting a broad distribution effort. The presence of a 'Google chrome beta app' lure in the document body, combined with the link farm, points towards a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://traffmen.ru/aws?utm_term=google+chrome+beta+app
- https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/684651e15.pdf
- https://mokitigek.weebly.com/uploads/1/3/1/6/131606839/bibawi-koxesu-xasoluv-wifoditonapa.pdf
- https://remezimivof.weebly.com/uploads/1/3/4/5/134582621/pefisabidiwi.pdf
- https://kugugurufive.weebly.com/uploads/1/3/4/1/134108893/4bec5902d9d1831.pdf
- https://wabebapag.weebly.com/uploads/1/3/4/3/134335427/bolinukekuvokug_nigeresarowunuz.pdf
- https://gepagalegizexu.weebly.com/uploads/1/3/4/4/134478943/18bc1a62951172.pdf
- https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/kijobe-lokib-setumepux.pdf
- https://cdn-cms.f-static.net/uploads/4389353/normal_5f9d1d305f75e.pdf
- https://cdn-cms.f-static.net/uploads/4372735/normal_5f8d0b1b13370.pdf
- https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/21fbe111f5c4ae.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/liguwubore/sowupedofukuladumukiboxu.pdf
- https://s3.amazonaws.com/waxapoz/simple_dog_house_plans.pdf
- https://uploads.strikinglycdn.com/files/4d993a96-ce7e-4426-a3b1-3f7b00b887c2/ravolabavobanuno.pdf
- https://uploads.strikinglycdn.com/files/b16d41ef-79c6-4271-a97f-420aa21bf3bf/nojopinase.pdf
- https://s3.amazonaws.com/baposivarabuj/driver_asus_x453m_win7.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d080.binc9175a8cc9eaf5894cf695c86f7db016787e8241a81a8875b149a5b27f6a4e66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD080 | 5340 bytes |
font_01_sfnt_off0000e285.bin3f2201eb412340371b8ec9efe6ea13e749ed7dc99975912915c11d21ca02ac31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE285 | 10856 bytes |
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