MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with a critical heuristic firing for a link redirecting to known malicious infrastructure. Another critical heuristic indicates a PDF link farm, with many links pointing to Shopify-hosted PDFs. The ML classifier also strongly flagged this PDF as malicious. The embedded URL in the document body, 'https://ttraff.ru/pify?keyword=best+day+of+my+life+sheet+music', is likely the primary malicious entry point, potentially leading to further 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/pify?keyword=best+day+of+my+life+sheet+music In PDF document text
- http://lesezede.farobankcreative.com/uploads/1/3/0/8/130813528/kilok.pdfIn PDF document text
- http://files.bfaa4us.org/uploads/1/3/1/8/131871518/04290c43b7.pdfIn PDF document text
- http://nolal.gotodose.com/uploads/1/3/1/3/131383791/nojivavidevad.pdfIn PDF document text
- http://vomeve.thegreatmanginoadventure.com/uploads/1/3/1/6/131606111/ce1f555c7cf2529.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/1/0434/8870/6717/files/pabiwilalinogasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0931/8813/files/dorusareluxeteke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9232/0161/files/29361558083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4951/7205/files/cuda_ubuntu_16._04.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7035/7653/files/an_introduction_to_cardiovascular_physiology_levick_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/hd_avi_movies_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6904/5926/files/oxford_discover_writing_and_spelling_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4305/2953/files/28105693440.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8117/9048/files/geometric_sequence_real_life_problems_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9930/8711/files/55009630557.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0805/7759/files/mail_address_for_form_944_without_payment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9469/4304/files/lunar_puzzle_neopets.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_off0000694e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x694E | 5316 bytes |
SHA-256: ad42eec2b30c1653eec5ef458a08b68b664f016f5ab0fa7981d23b6891c7be12 |
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font_01_sfnt_off00007b4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4C | 10468 bytes |
SHA-256: e0025e85cfa212b73bf78b7ae6ba34fe8b7e640a3eefa59b4dceebd846c274fa |
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