MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, including a critical finding for a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the document is designed to trick users into visiting a malicious site, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=boring+bored+exercises+pdf In PDF document text
- http://vawop.coffeekilimanjaro.com/uploads/1/3/0/8/130873995/dofat.pdfIn PDF document text
- http://files.drrichardsonsnfp.org/uploads/1/3/1/3/131380469/8283429.pdfIn PDF document text
- http://files.makeupartistanastasia.com/uploads/1/3/1/4/131454024/1d8964.pdfIn PDF document text
- http://kejefifu.aripreservationtrust.org/uploads/1/3/2/3/132303382/dutaves.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/1/0431/3464/8482/files/xizufesewevoduralolazemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9743/8875/files/96116054869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6286/0699/files/kenworth_8_bag_air_suspension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/5791/6578/files/scanned_to_editable_word_converter_online_free_without_email.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/norixugurexejim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/kidege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6187/7665/files/nisibet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7342/0965/files/12599916351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9845/4682/files/6501829009.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/18147291927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7650/2175/files/kuganunoxofogowodubuvuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3092/0871/files/32089243746.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5468/6617/files/xavukufuputekojula.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_off00005c3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3E | 5336 bytes |
SHA-256: c88d190981b54930b2dde3adaa2233820fd465bbbedb2157eb808ec60105d3a9 |
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font_01_sfnt_off00006e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E7E | 10088 bytes |
SHA-256: 813dd391c0d3b651cd8b4f4d09a9c8a134dfe311f88694bbe9304a374ce61676 |
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