MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate this PDF is part of a link farm, likely for SEO manipulation or to distribute further malicious content. The presence of a 'download button' lure suggests an attempt to entice user interaction. The primary attack pattern involves redirecting users through malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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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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://ttraff.ru/wb?keyword=websites%20like%20oceanofpdf%20reddit In PDF document text
- http://files.innovationsbuildingservices.com/uploads/1/3/1/4/131438741/3ca2f8128cf.pdfIn PDF document text
- http://files.smarie94.co.uk/uploads/1/3/1/1/131164311/7233951.pdfIn PDF document text
- http://files.cunyhpcs.org/uploads/1/3/1/3/131380094/dukopoxitobekozezi.pdfIn PDF document text
- http://files.putinbayweddings.com/uploads/1/3/1/6/131607374/4798954.pdfIn PDF document text
- http://files.bhameconsoc.com/uploads/1/3/1/3/131379035/5d35b1ebe.pdfIn PDF document text
- http://files.catholiccharismatic.com/uploads/1/3/2/7/132712120/taxogepokoj_kapuka_kizomibifoka_tagamofulebalos.pdfIn PDF document text
- http://files.sophietrimblephotography.com/uploads/1/3/1/3/131383204/kitegabezepasa_mafaratupifoja_nijeb_jajidajejaxe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://guzekin.files.wordpress.com/2020/06/64846508925.pdfIn PDF document text
- https://bijogozejut.files.wordpress.com/2020/06/timute.pdfIn PDF document text
- https://sufunitazot.files.wordpress.com/2020/06/37300598290.pdfIn PDF document text
- https://zizojika.files.wordpress.com/2020/06/berupogaxoterizepedefa.pdfIn PDF document text
- https://duvupokupig.files.wordpress.com/2020/06/medipem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/fubadetipemukisoxot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9296/7581/files/52657637408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0899/1140/files/magobomajudipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/75361312870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/texirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/5754662498.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_off000064d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64D9 | 5156 bytes |
SHA-256: 8ced18a2e283a391821bd21940d2c449cd9002b9dfcd70e4e5e0abfb14a36620 |
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font_01_sfnt_off00007671.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7671 | 10364 bytes |
SHA-256: 289e578958637bceb56df148c8c1a58d482dee1f9af6b00588cf2be2816c66ac |
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