MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one prominent link pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=vsepr+theory+pdf+file', indicating a lure to a malicious site disguised as a PDF file. The ML classifier strongly supports the malicious nature of this PDF.
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=vsepr+theory+pdf+file In PDF document text
- http://files.unscriptedfest.com/uploads/1/3/1/8/131856071/7470356.pdfIn PDF document text
- http://files.tri-villagetrails.org/uploads/1/3/0/7/130775897/varonamugagavij.pdfIn PDF document text
- http://vudiniw.jayowens.me/uploads/1/3/0/7/130738531/1797600.pdfIn PDF document text
- http://files.mudlakefarm.com/uploads/1/3/1/6/131636825/667748.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/1/0430/0449/3987/files/zoxumazot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1247/8360/files/62986630251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/vajosozutuwagaziw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1187/2667/files/doburogisujupizena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/wododidak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1479/7981/files/fulaposedorez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3300/2145/files/limufobewoferudoraromijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2827/4585/files/83633740169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/31461779101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7442/8827/files/ronuzefivutof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0407/9777/files/sprawlopolis_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3459/0875/files/86681836213.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b0ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0EA | 4960 bytes |
SHA-256: d4c9dedb71388090049353e2b83a344d88bca06f01339c37e676330558072fd5 |
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font_01_sfnt_off0000c1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1DC | 4668 bytes |
SHA-256: ba647affffd55afe5cdad2c34d6cc88baba68634f2c6fc8a7f7f6aef4e0633c8 |
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font_02_sfnt_off0000d1df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1DF | 10764 bytes |
SHA-256: 6df77e9f0a7ddc998d581b36eb318191ccc7b0130e4a7a0f5deec916612efefb |
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font_03_sfnt_off0000f6bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BC | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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