MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
This PDF document contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document also features a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of the redirector URL confirms a malicious intent to direct users to harmful content.
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=sepsis+guidelines+2018+ppt In PDF document text
- http://files.mwprofessionalphotography.com/uploads/1/3/1/8/131872178/12c72.pdfIn PDF document text
- http://koribevo.uucfgoodnews.org/uploads/1/3/1/3/131383657/6de6a127a0b87.pdfIn PDF document text
- http://files.amyjlane-instructional.com/uploads/1/3/0/7/130775840/sipazejirepilexubu.pdfIn PDF document text
- http://files.frilloblog.com/uploads/1/3/1/4/131453226/sebeduwekexav.pdfIn PDF document text
- http://sepapeje.dhwanidance.com/uploads/1/3/0/7/130775052/petenite.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0428/2938/1791/files/fda_key_answer_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8259/3957/files/53463404357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/guardians_of_the_galaxy_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/8245/3926/files/states_of_matter_worksheet_high_school.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8545/3728/files/80564917258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6032/9637/files/44969298175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9358/1212/files/9961820158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/star_wars_the_rise_of_skywalker_metacritic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9139/3702/files/annotated_code_of_maryland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8742/0835/files/78658234182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9252/3675/files/anexo_6_oaci.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6542/files/79672519340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/8277794309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/10461299981.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_off00009e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E5D | 2252 bytes |
SHA-256: a628b0264e4772c5b1740cc9cb6c998b2c04d5052b6e56916e4ce23c31ad0d9f |
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font_01_sfnt_off0000a8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8C5 | 5444 bytes |
SHA-256: 4141fc08d0423dfabd2fb5e7f396b1458d12636c39d5f1b5077761c662d38132 |
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font_02_sfnt_off0000bb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB5E | 10556 bytes |
SHA-256: 39212e7e31baece26033164e8394174aa9862811e82cef76f1dd4886910bcd7c |
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