MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically identified as a malicious redirector and an SEO link farm. The document body, though heavily obfuscated, contains URLs that are part of this malicious infrastructure. The primary redirector URL is 'https://ttraff.cc/pify?keyword=fundamental+counting+principle+and+probability+worksheet', which is used to lure users to potentially malicious content. The ML classifier strongly indicates maliciousness.
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=fundamental+counting+principle+and+probability+worksheet In PDF document text
- http://files.irayastudycenter.com/uploads/1/3/1/3/131381374/294a17b.pdfIn PDF document text
- http://zejuruper.divinelightandguidance.com/uploads/1/3/2/7/132712323/refubinoledupawis.pdfIn PDF document text
- http://files.purpleinkpublishing.com/uploads/1/3/1/4/131437844/mikofoxaxomojope.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/1/0441/1051/2280/files/piecewise_functions_domain_and_range_worksheet_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69262577592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7182/3262/files/dasusuwekig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/26369234237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7279/0428/files/4166223174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3107/5743/files/dimavoxitemipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/77390895271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7940/1632/files/9488590010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3707/2280/files/jogon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5833/0786/files/pubukuju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/befirusepozowuxuvodupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5070/3779/files/10th_grade_world_history_workbook_answers.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_off00005e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E5D | 5720 bytes |
SHA-256: eeeee696af081cbb683839b3a7f185210e37ffa62f227e394660f450d2c8321a |
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font_01_sfnt_off000071b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71B0 | 10064 bytes |
SHA-256: 058a06ab3d21bb5ab36db7702b7f077d675eb19ba6f98ac715015871141a2147 |
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font_02_sfnt_off000093d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93D4 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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