MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical link to a known malicious redirector at `https://ttraff.com/pify?keyword=einstein+summation+convention+pdf`. The document body, though heavily obfuscated, contains this URL and numerous other links hosted on Shopify, suggesting a link farm or redirection scheme. The primary intent appears to be directing users to malicious infrastructure.
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.com/pify?keyword=einstein+summation+convention+pdf In PDF document text
- http://files.modernwellnesscounseling.com/uploads/1/3/1/4/131438071/pinobosikojimagan.pdfIn PDF document text
- http://files.stephanieryckman.com/uploads/1/3/1/3/131381363/nibiteken.pdfIn PDF document text
- http://files.daydream-art.com/uploads/1/3/1/3/131381919/subukilifetajimibe.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/1/0431/1659/3312/files/jotawetitixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3673/5645/files/68607338042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/xuvulozoromowapafutus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zumimulapowekulusevenire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6127/8870/files/31365556568.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/dezosebobugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8746/2551/files/85619344636.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/44078430996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8664/files/lodib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3320/5655/files/66477926778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/88101905250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/fawazodipuzekivozora.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6539 | 5072 bytes |
SHA-256: 6113d7367e7e2e874e721829a57d795fab152510248b8f74d8d67574d5f5b70d |
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font_01_sfnt_off0000766a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x766A | 15688 bytes |
SHA-256: 4f69d7708115f1e2bf2c2335937fa08c6fb83cf592a76d69697c0e6f392eb9d4 |
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font_02_sfnt_off0000a744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA744 | 16500 bytes |
SHA-256: c56eadffec578cc8e6090184e238c9b6b38aefbd1920fb8acda36855ab9346ac |
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font_03_sfnt_off0000bd9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD9F | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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