MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, suggests a lure related to 'A level english literature books pdf'. The presence of numerous external PDF links, as flagged by 'PDF_SEO_LINK_FARM', further supports a malicious intent to drive traffic to potentially harmful sites. 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.com/pify?keyword=a+level+english+literature+books+pdf In PDF document text
- http://files.polillio.com/uploads/1/3/2/7/132740270/bazijowexamajed_bexunoru_kapixu.pdfIn PDF document text
- http://files.victorystrengthandfitness.net/uploads/1/3/0/7/130740012/sisuruxuve.pdfIn PDF document text
- http://files.bigbellceramics.com/uploads/1/3/0/7/130738534/cdf99778.pdfIn PDF document text
- http://files.canyonridgepta.org/uploads/1/3/0/7/130775952/volalebekuzujuj.pdfIn PDF document text
- http://files.charlottehighersoriginalart.net/uploads/1/3/1/3/131397946/cca53.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/1/0429/7195/5351/files/97768147926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2263/9527/files/bovomudadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3581/9173/files/palulobeten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/1594943439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/24080765080.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7078/2614/files/bixigezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8860/1503/files/gitalafefulomogovoxudilop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/musudovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3831/7464/files/84038788085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/27129333866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6714/6397/files/52032741036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/99686017400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8259/6004/files/13464743752.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_off00007839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7839 | 5436 bytes |
SHA-256: fe2584eff53a3e9534ba73bb858639e4bd771b2412419fc5466cffaa54f1ad35 |
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font_01_sfnt_off00008aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AAA | 10016 bytes |
SHA-256: d9b2554825c9cfbd889a640472ec9a32ee3c99de131c52017feb44a0185b7d75 |
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