MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=inelastic+neutron+scattering+pdf'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link farm or SEO poisoning tactic to distribute malicious content. No scripts were extracted, but the embedded URL is the primary indicator of compromise.
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/wix?keyword=inelastic+neutron+scattering+pdf In 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
- https://cdn.shopify.com/s/files/1/0436/7355/1001/files/14970662225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9377/8837/files/rexamivopomuxemuxugenadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2529/1674/files/aromatherapy_books_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6431/6319/files/advanced_cardiac_life_support_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1307/9203/files/47396293376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7272/4900/files/masker_innisfree_sheet_mask_untuk_jerawat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1815/6192/files/zubiginateb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/dupezukanalugabuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/7389/6353/files/confidential_information_release_form_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9121/3988/files/kodatexobinumifix.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0dcf4b_c98c42443aa34a47ab6573bd2eda123c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e02969_40f8d526aed4446bac72e912a543dbb2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8295/7478/files/libro_de_periodoncia_carranza_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6709/5705/files/buwizelute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2858/4347/files/77213041428.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9134 | 2912 bytes |
SHA-256: 8e946ab76871b4001a8eb2020b863cc680b9804028e4ddcab6f6e8a2704c6764 |
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font_01_sfnt_off00009b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B97 | 5144 bytes |
SHA-256: 8c6f3399e38add20565d0a833598ba26969ffe0983b303a367d88f0fcdc90768 |
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font_02_sfnt_off0000ad15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD15 | 11588 bytes |
SHA-256: 3e0640dad9114212f49a3ff21c7dc3bc96b4c731244b661a0c9dd5e2b3701a5b |
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font_03_sfnt_off0000d482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD482 | 16128 bytes |
SHA-256: 49753f47dcc57c983fb4b222e20c62ee42016d1f1833236c7eae6758e0db8b65 |
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font_04_sfnt_off0000e972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE972 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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