MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.ru/pify?keyword=b1+file+archiver++for+pc'. This URL is likely part of a lure to trick users into downloading a password-protected archive, as indicated by the 'SE_PASSWORD_ARCHIVE_LURE' heuristic. The document also features a link farm, with the first URL pointing to 'https://cdn.shopify.com/s/files/1/0434/5744/6038/files/fovubasu.pdf', suggesting an attempt to distribute further malicious content or obscure the initial redirector.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=b1+file+archiver++for+pc In PDF document text
- http://files.cfbckids.org/uploads/1/3/0/7/130739933/vemegulo_pugax_rawomezitifabiz_ribaxedep.pdfIn PDF document text
- http://gamap.unlockyourhigherpotential.com/uploads/1/3/1/6/131606066/eb0d341cbd09ab5.pdfIn PDF document text
- http://files.maidtoshineservices.net/uploads/1/3/1/4/131437268/29f33e.pdfIn 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/1/0434/5744/6038/files/fovubasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5942/1092/files/vujasage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5302/1344/files/lepujilekenejateli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4015/3505/files/rojenepelom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6443/4589/files/zudanaxuvuperasowafat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3219/0876/files/pixalamogajabiguda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/90212657000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/wrterbuch_vietnamesisch_deutsch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/socialismo_y_capitalismo_libros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6930/8061/files/wugemataxesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2541/3782/files/sharepoint_template_asset_management_system.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000670c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x670C | 4688 bytes |
SHA-256: 2fb8013cdc3c18833db063eeebabaf5af38b5bb8bdb95950dbcfa3aeec45fe6e |
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font_01_sfnt_off0000770b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770B | 10720 bytes |
SHA-256: 9b0d82fc273aa46474fde765bf18aabf1da965670dde3762220d267f1106f506 |
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font_02_sfnt_off00009b68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B68 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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