MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting seemingly benign PDFs, but also includes a critical link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=all+constant+values+in+physics+pdf'. This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/pify?keyword=all+constant+values+in+physics+pdf In PDF document text
- http://files.jumpforjoymemphis.com/uploads/1/3/0/8/130813646/xojoxubasivonidexo.pdfIn PDF document text
- http://files.lynnespaintings.com/uploads/1/3/2/6/132681164/d610932448.pdfIn PDF document text
- http://files.motisbusinesscentre.com/uploads/1/3/2/7/132740327/3625901.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7235/6514/files/nefejanogafomigavobire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/gimemusemodiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1833/3858/files/vexenojuvip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5430/9284/files/saxon_advanced_mathematics_answer_key_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/sotuxifedag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3926/8770/files/pawumenib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2764/4072/files/44525430790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4854/1079/files/summoners_war_ragdoll.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4715/7914/files/paximiluvepuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/pdf_file_app_download_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/40067820044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5393/1944/files/76312754293.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2313/7957/files/jamimisa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7078 | 5300 bytes |
SHA-256: 24dd14617dee60646f715596b0cd27a9df7c4c16a2709e7b8b12932a45d3946f |
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font_01_sfnt_off00008295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8295 | 16008 bytes |
SHA-256: 8a51bb0c776a613118a7466647c186db427aead8c7b289c8ecabc2322fbbf0d0 |
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font_02_sfnt_off0000b5b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B2 | 16176 bytes |
SHA-256: 9a4042d6462110368b612657e84d720c6c3b02e481aa41e4b211d41b97f2df9c |
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