MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links, masquerading as a worksheet. One of these links, 'https://ttraff.cc/pify?keyword=two+variable+equations+worksheet+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL, suggesting the primary intent is to redirect users to malicious content. The file was generated by wkhtmltopdf, a tool often abused for creating malicious documents.
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=two+variable+equations+worksheet+pdf In PDF document text
- http://files.tonystledger.com/uploads/1/3/2/6/132683267/letegilepatovuvaxi.pdfIn PDF document text
- http://files.drmichelle.me/uploads/1/3/0/7/130775471/5765636.pdfIn PDF document text
- http://files.crystalconnections.co.uk/uploads/1/3/2/6/132696233/4075180.pdfIn PDF document text
- http://files.musetechnolgies-unite2.com/uploads/1/3/0/7/130776277/xosapidutubakikifi.pdfIn PDF document text
- http://files.ericheerspinkceramics.com/uploads/1/3/0/9/130969481/0e5df66.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/1/0432/5425/1670/files/35346558955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2108/9444/files/fexesogepudijiraxagel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/5308/2782/files/25649954532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8920/6174/files/15804913156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3640/0037/files/35373121612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0428/1511/files/gevixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/machine_learning_bachelor_thesis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0839/3369/files/movex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3183/0421/files/pa_drivers_license_center.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4518/9794/files/graphene_oxide_fundamentals_and_applications.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2073/0011/files/9443725736.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8996/0861/files/19409412823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5458/8316/files/danurezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1444/7519/files/descargar_biblias_antiguas_en.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_off0000761c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x761C | 5560 bytes |
SHA-256: 5a24f7e581ef07e414bd02bafe9c1716c2a770b0349c0ef4b9f9fafe80ae48f1 |
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font_01_sfnt_off00008908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8908 | 10340 bytes |
SHA-256: e128b7d08d51aa80516f6a15340a83741bec8f7e04486ca21be2f1f39025e80a |
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