MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by an ML classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.ru), while another detected a large PDF link farm hosted on cdn.shopify.com. The document body contains obfuscated text and a URL that appears to be part of a SEO manipulation scheme. No scripts were extracted from this sample.
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=singapore+math+fractions+word+problems+worksheets In PDF document text
- http://files.joyfullifehealing.com/uploads/1/3/0/9/130969917/2282238.pdfIn PDF document text
- http://files.goataddictionfarms.com/uploads/1/3/1/8/131858661/7e75278b6f23.pdfIn PDF document text
- http://files.phsboosters.org/uploads/1/3/0/8/130813696/takorisobemanipeje.pdfIn PDF document text
- http://files.acrosstheinfinitevoid.com/uploads/1/3/1/6/131637016/falezazepiv.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/1/0432/5058/1662/files/energy_converters_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8873/1543/files/engineering_graphics_8th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7537/0136/files/30893379265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4468/4454/files/jovutonazajasegagizid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6970/9217/files/83655122928.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6317/2502/files/histology_guide_pituitary_gland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/nanos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3100/1250/files/katyusha_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0319/1193/files/apc_smart_ups_750va_lcd_230v_datasheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4254/4533/files/kalivivosunevumufajutizov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8773/8533/files/how_to_paste_in_vim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/alfie_kohn_theory.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68B3 | 5756 bytes |
SHA-256: 7266e2df449daf6edc05ec5b2310eefa1f03b4aff69955b09867b059aa869915 |
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font_01_sfnt_off00007c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C18 | 10384 bytes |
SHA-256: 84c8352c0930a3315ea3b32863c688438058da5a326d05a98367af41c85e5b18 |
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font_02_sfnt_off00009fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FD1 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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font_03_sfnt_off0000b501.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB501 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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