MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to redirector services or link farms. The document body text, while partially obfuscated, includes the URL 'https://ttraff.com/wb?keyword=linear%20programing%20simplex%20method%20pdf', suggesting a lure to trick users into clicking malicious links under the guise of academic search results. The primary function appears to be directing users to potentially harmful external websites.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=linear%20programing%20simplex%20method%20pdf In PDF document text
- http://files.powerteam96.com/uploads/1/3/1/6/131607522/812129.pdfIn PDF document text
- http://files.mariacamera-smith.com/uploads/1/3/1/4/131453248/jokipojidiret.pdfIn PDF document text
- http://files.grignonmansion.org/uploads/1/3/0/9/130969085/53e204a6.pdfIn PDF document text
- http://files.godswaytshirts.com/uploads/1/3/2/3/132302815/7c24d7928c8eda5.pdfIn PDF document text
- http://files.foustequine.com/uploads/1/3/0/7/130776514/61e483591e.pdfIn PDF document text
- http://files.krwoodworkings.com/uploads/1/3/1/8/131871894/1591208.pdfIn PDF document text
- http://files.morethansoulfood.net/uploads/1/3/2/3/132302973/timuf.pdfIn PDF document text
- http://files.tedxasb.com/uploads/1/3/1/3/131381756/8135290.pdfIn PDF document text
- http://files.ecclestonpianoteacher.co.uk/uploads/1/3/1/6/131606202/bae2b1b33e2ba.pdfIn PDF document text
- http://files.centralcocfamily.com/uploads/1/3/1/4/131438150/6245733.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dexubupe.files.wordpress.com/2020/07/rosolizopulizaleterikuxik.pdfIn PDF document text
- https://lotodirod.files.wordpress.com/2020/07/muparobapataxirufemebatak.pdfIn PDF document text
- https://wufabok.files.wordpress.com/2020/07/bewufi.pdfIn PDF document text
- https://dajovofad.files.wordpress.com/2020/06/72245415936.pdfIn PDF document text
- https://tidujexibego.files.wordpress.com/2020/06/vofotelojogazezutazat.pdfIn PDF document text
- https://wixavax.files.wordpress.com/2020/06/72217965275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sezam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zigomotixiwututorevibalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakisone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dipipopiluniwewikojidil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.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_off00008729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8729 | 5252 bytes |
SHA-256: b354c49e6c5ed109284d1d6693ac318ebd0c290fda97baa634ddb243401accb5 |
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font_01_sfnt_off000098d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98D8 | 10480 bytes |
SHA-256: 48c2fdb0c4ad7d0719eeb6ac8533e063486b4bc3ea9bc7a45e18a946cac4763f |
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