MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing indicating a link farm pointing to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=ark+survival+evolved+switch++size. The document body, though heavily obfuscated, contains references to game-related terms and the malicious URL, suggesting a lure for users interested in such topics. No scripts were extracted, but the PDF structure itself is used to host and distribute malicious links.
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=ark+survival+evolved+switch++size In PDF document text
- http://files.cuastt.com/uploads/1/3/1/3/131398591/9247193.pdfIn PDF document text
- http://files.brain2gain.com/uploads/1/3/1/4/131438079/4691764.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/1/0439/0898/9096/files/pyridine_piperidine_alkaloids.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4205/4048/files/bananas_and_pajamas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/94106129829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6423/7992/files/suvobolizojewuxajaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5747/8809/files/34466862678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8271/1201/files/nizazanadatutibumovojov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3518/1734/files/28907273310.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4836/9309/files/primark_king_size_fitted_sheet_white.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0896/6307/files/davubozidikatefofufep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/91147380193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5740/4318/files/xidifevumedepenite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4789/2630/files/xejugawosasolapenek.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
🗂 Part of campaign:
cuastt.com
3 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D3 | 5056 bytes |
SHA-256: ca85e6d62336bcd2a349d1f865b74a47bf49f7acd0e86d35c6dcf6d10d7d90cb |
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font_01_sfnt_off00007832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7832 | 10608 bytes |
SHA-256: d8927ebff4d623c7cdc6281153cf466b304a22b0f94e959d3b01df3b4afeb558 |
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font_02_sfnt_off00009cab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CAB | 16336 bytes |
SHA-256: ed11755caded0387d221451bc566142f80035c1eda37e6d2bff7bc7d32684f2a |
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font_03_sfnt_off0000b291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB291 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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