MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, pointing to `ttraff.ru`. The document body, though partially corrupted, contains text related to 'free educational games' and a URL that matches the redirector. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to `cdn.shopify.com` but also include other potentially malicious domains. The primary malicious URL is `https://ttraff.ru/pify?keyword=free+educational+games++for+kids-+full+version`, which is likely used to redirect users to a malicious payload.
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/pify?keyword=free+educational+games++for+kids-+full+version In PDF document text
- http://fefufabob.paleolovecompany.com/uploads/1/3/2/6/132696323/13140b3a62ae3.pdfIn PDF document text
- http://files.saragayart.com/uploads/1/3/0/7/130776619/xiguzivef_makavaxumo_detemazit_megovutiwipe.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/1/0427/6020/8540/files/87609315067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/debituwovuro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7876/9045/files/aluminium_thermal_properties.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1264/files/13367594423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7236/4437/files/tigixas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0855/6182/files/98495336696.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0845/6865/files/manuxuwetesupasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2230/2888/files/bakekiwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/59953169317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8187/5112/files/21961455270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8466/1407/files/bapufevulifen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/85531784162.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_off00006f49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F49 | 5452 bytes |
SHA-256: fe1c4c6d67a87d5c6d30565383074fb4c774bcda255d3d7c4a727a5a51a05810 |
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font_01_sfnt_off000081cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81CB | 10580 bytes |
SHA-256: bf619d468bf71e6a208507ad75d247085320d9c186d3ff1b123194eccacd490c |
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