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, specifically pointing to 'https://ttraff.cc/pify?keyword=clue+score+sheet+online'. This URL is presented within the document body, disguised as a 'clue score sheet online'. The PDF also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
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.cc/pify?keyword=clue+score+sheet+online In PDF document text
- http://files.camarillochamber.org/uploads/1/3/2/7/132740586/4181754.pdfIn PDF document text
- http://feferiw.mikkimono.net/uploads/1/3/1/0/131070420/pesonitovodejet_mipiwovinuzif.pdfIn PDF document text
- http://files.georgiasociology.com/uploads/1/3/1/8/131871433/8b3c4feb60.pdfIn PDF document text
- http://files.ronaldscottprice.com/uploads/1/3/1/3/131383604/8d2c609.pdfIn PDF document text
- http://noxejo.revdanielgregoire.com/uploads/1/3/2/3/132302780/ce5119c2a5.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/1/0438/2703/6322/files/tiwujura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2710/2887/files/false_ceiling_catalogue_for_bedroom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/2101/1865/files/vehicle_wrap_checklist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/8803/0370/files/sentencia_caranchoa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3464/6440/files/gubiluw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3302/4929/files/solution_manual_for_statics_p_beer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/algebra_2_textbook_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5964/9429/files/tanugivoxalulepelimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7978/5891/files/bsac_try_dive_medical_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/reduce_size_macbook_air.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6734/1974/files/saletago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77439678162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4920/5405/files/texto_informativo_sobre_meio_ambiente_5_ano.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_off000065fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65FD | 4584 bytes |
SHA-256: 61fcd3adf3e087b053acb48257589e42b1da8780169b16a79fc8aa245e07c524 |
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font_01_sfnt_off00007587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7587 | 11196 bytes |
SHA-256: 49cc6e440ba5fdbe756b63ff5cba58fc5d763369ae07be6c9a677e3728cb758e |
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