MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to external resources. One critical heuristic identified a malicious redirector link (https://ttraff.cc/pify?keyword=boolean+algebra+pdf+notes), indicating an attempt to direct the user to a harmful destination. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of numerous Shopify-hosted PDFs suggests an attempt to blend malicious links with seemingly benign content.
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=boolean+algebra+pdf+notes In PDF document text
- http://wazowin.secondsightvisuals.com/uploads/1/3/1/4/131407089/1587d892b2.pdfIn PDF document text
- http://gijet.wendyscountrymarket.com/uploads/1/3/0/7/130776208/b1f36.pdfIn PDF document text
- http://govalu.squarecatvinylshop.com/uploads/1/3/0/8/130813453/3835748.pdfIn PDF document text
- http://mokaf.altitudephysicaltherapy.com/uploads/1/3/0/7/130775195/5221410.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/1/0434/1442/1653/files/reliability_in_qualitative_research.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5467/7662/files/78616421089.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7030/7995/files/noruvonuxotuvikubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0763/1779/files/zajekalemegadasanarurek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5699/5233/files/1984_cadillac_coupe_deville.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1724/6632/files/tamuvokomufuzujavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8839/3893/files/61038167000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0042/9731/files/nokodapodoxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5657/8206/files/27213389035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4526/5312/files/55929666252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3086/3259/files/rulapevukavovogenipokad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3057/6278/files/lifujumegerenan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/kisulisorigi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5987 | 5396 bytes |
SHA-256: e28068593d7aff78b8753a916e5705eee806f796bc5687f7ade4d17ed3222713 |
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font_01_sfnt_off00006be9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE9 | 12756 bytes |
SHA-256: 298a27e38ddf3f55e4b81decbbb97fa250704c6ce8adcd4c0c368a782ae7d126 |
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font_02_sfnt_off000094ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94BA | 16120 bytes |
SHA-256: 099d6ecc4c90b811dbcb347f43da84e98a92fba700bdaed59cba77f47198b333 |
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