MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The primary malicious URL is https://ttraff.com/pify?keyword=complexity+of+all+searching+and+sorting+algorithms+pdf, which is likely intended to lead to further malicious content or phishing pages. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a tactic to increase visibility or distribute malicious payloads.
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.com/pify?keyword=complexity+of+all+searching+and+sorting+algorithms+pdf In PDF document text
- http://files.ashleydelapp.com/uploads/1/3/0/7/130738512/modujatobumixutepale.pdfIn PDF document text
- http://files.karmaindiatravel.com/uploads/1/3/0/7/130739919/640d942e8f1108.pdfIn PDF document text
- http://files.saradavisart.com/uploads/1/3/2/7/132710726/tiduxegumi_tateneloso_jegikaju_xidukulefawe.pdfIn PDF document text
- http://files.paullentzauthor.com/uploads/1/3/0/7/130775286/miwuzulapowika-fetogubexu-xonepi.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/1/0431/9805/4558/files/7747323755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9568/7317/files/42849543289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3612/0990/files/transfer_thunderbird_to_new_computer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/54700132767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3084/6363/files/69_chevy_pick_up.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3545/9738/files/nefata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3426/3199/files/mikeziwegulopovabesofafab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5327/7603/files/biruxatuwosi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6781/0726/files/borutadukamip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9956/2911/files/29877646242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8128/5286/files/49543045697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8257/8088/files/blackfathom_villainy_horde.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3501/7895/files/7207682712.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_off000091f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91F3 | 5548 bytes |
SHA-256: 5635f9ba610d47d61eb8e8a345156eb013ac2531376b066c12975359b66034f1 |
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font_01_sfnt_off0000a4b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B6 | 14828 bytes |
SHA-256: 29df0c8476aabf4bc856cce51e246aaeacbaea996a241de3016e533bd7557c1b |
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font_02_sfnt_off0000d399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD399 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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