MALICIOUS
282
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
This PDF document employs social engineering tactics, specifically a browser extension installation lure, to deceive users. It contains numerous links, with a critical finding indicating a redirector link to 'ttraff.com'. The document body, though heavily obfuscated, suggests it is an online PDF file. The presence of a malicious redirector and a link farm indicates an attempt to funnel users towards malicious content or exploits.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 8
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=file+pdf+online In PDF document text
- http://files.vibrant-energies.com/uploads/1/3/0/8/130873907/nomadu.pdfIn PDF document text
- http://files.tropicalcuracao.com/uploads/1/3/1/3/131398367/mosijomumojore.pdfIn PDF document text
- http://files.scienceeducatorsforurbanschools.com/uploads/1/3/0/8/130814877/sesazodotewugem_lenew_lonipazomuwat.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/1/0436/9956/8795/files/suforije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2503/8498/files/tejumoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/kivasiwovugabof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9114/8454/files/sesuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/17769310166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3343/5032/files/30930667057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9434/files/sodofanabejipixogixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7851/6885/files/divilativelezekosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2803/8310/files/xeluxobubabalonesemag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55742160690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8694/5181/files/4950429107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2535/7206/files/bolimokuvukilopo.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_off0000781e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x781E | 4212 bytes |
SHA-256: 0f835ae119d7eeb43793001a56ecb99da6b0e19d7b321e19bf9c0ff87cde1d9b |
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font_01_sfnt_off00008670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8670 | 10504 bytes |
SHA-256: df9985f1411136fcace640194b0f90258c6bbe7c4a411002173c8c2b9036c089 |
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