MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, including a primary redirector URL that is flagged as malicious. The document body, though heavily obfuscated, contains references to the redirector and multiple benign-looking PDF links, suggesting a link farm or phishing lure. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful 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=bootstrap+4+w3schools+pdf In PDF document text
- http://files.canuplaysports.com/uploads/1/3/1/3/131379663/3416210.pdfIn PDF document text
- http://files.ftrs.ca/uploads/1/3/1/0/131070009/nuduniwugubibusa.pdfIn PDF document text
- http://files.maineartsedresources.org/uploads/1/3/0/7/130775201/3935818.pdfIn PDF document text
- http://files.thisgirlisawesome.com/uploads/1/3/2/6/132695698/wogekijogiz_nuzuxukititub_pigubufurik.pdfIn PDF document text
- http://files.animalfineart.co.uk/uploads/1/3/0/9/130969965/muxeru.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/1/0433/0687/7080/files/17612659915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/xikewizunotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8282/files/vezewuketunifoduxifub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8373/3915/files/10616361123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9252/4700/files/revajalanosodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7099/4085/files/kasamunerivojuwuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/nirirojaxaresumunojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2057/3080/files/40185758369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8691/3431/files/67481194305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3173/3159/files/6594562416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8922/9979/files/801671961.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6914/4230/files/fifekitadusimaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6888/2072/files/kejasekezaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30551251375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/8065614212.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_off000067b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B1 | 5636 bytes |
SHA-256: 60883a589befa33e924562eabf734f4253406b39607478132decad8c36ac2598 |
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font_01_sfnt_off00007af3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF3 | 14964 bytes |
SHA-256: 98f544f82d4e3622acdc6c23b938daba79362be5017d908d424ff9039dc546df |
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