MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which are part of an SEO link farm, suggesting a malicious intent to drive traffic or distribute malware. The presence of a redirector URL, 'https://trafficel.ru/123?utm_term=we+didn%2527t+start+the+fire+lyrics', further indicates a phishing or malicious download attempt. While no scripts were explicitly extracted, the PDF structure and heuristics strongly suggest it's designed to exploit users through link manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://trafficel.ru/123?utm_term=we+didn%2527t+start+the+fire+lyrics PDF link annotation
- https://kufofena.weebly.com/uploads/1/3/4/5/134504524/bulutaj.pdfIn PDF document text
- https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/lapolare.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365547/normal_5f88c605bc421.pdfIn PDF document text
- https://goraworozegisu.weebly.com/uploads/1/3/4/3/134324811/649230.pdfIn PDF document text
- https://xifepifedezuz.weebly.com/uploads/1/3/4/4/134495844/aa76711bd6.pdfIn PDF document text
- https://rojusonevupa.weebly.com/uploads/1/3/0/8/130814232/mapanamiwuguwokidari.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376379/normal_5f9a2b788089c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tiduro/tv_guide_sydney_yesterday.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/a_beginner_s_guide_to_investing_download.pdfIn PDF document text
- https://s3.amazonaws.com/jezobasit/layers_of_skin_art.pdfIn PDF document text
- https://s3.amazonaws.com/zalisujezajaje/cheryl_s_cookies_nutritional_information.pdfIn PDF document text
- https://s3.amazonaws.com/rodigapigeta/apsrtc_bus_pass_form.pdfIn PDF document text
- https://s3.amazonaws.com/jowutoneranemuk/captain_marvel_original_motion_picture_soundtrack.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_off00013173.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13173 | 5260 bytes |
SHA-256: 1f3c951ce2e7dce83660b2060f6abc7ecb5dd8753c5c39fe7a283bb544b2fa73 |
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font_01_sfnt_off0001436b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1436B | 11688 bytes |
SHA-256: 869a08c95092f72e2133df217be5a8fa4e4d50b0e8fa414b73bfa65fcc92dc45 |
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