MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and acting as a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=newquay+cribbar+surf+report, which is likely used to redirect users to further malicious content. The document body contains garbled text but also includes the identified URLs, suggesting a deliberate attempt to obscure the malicious links within a seemingly innocuous document.
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.ru/pify?keyword=newquay+cribbar+surf+report In PDF document text
- http://files.kaliberk9.com/uploads/1/3/1/6/131637701/9bec921.pdfIn PDF document text
- http://gegevix.carsonbishoptd.com/uploads/1/3/1/4/131482975/koduvaridiv.pdfIn PDF document text
- http://files.cloverdalebarn.com/uploads/1/3/1/8/131857690/9c9792a4db.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/1/0430/0272/4506/files/types_of_artificial_sweeteners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7357/5841/files/tylenol_500mg_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0225/5770/files/gawosamijiwegibugekoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7140/6241/files/koriwik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/voruf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7973/8278/files/john_deere_155c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5506/2938/files/mizolomutezegakuvuwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4494/4542/files/56047486353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/47338873276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2812/7654/files/narrow_spectrum_antibiotics_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7509/3159/files/73437143711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/ampli_audio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/8325646922.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EEF | 5408 bytes |
SHA-256: d89098a917bde3b69736307df28f82e3c20133ba8e267460794308341f53bf20 |
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font_01_sfnt_off0000617f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x617F | 9668 bytes |
SHA-256: 7b76cfe5c6d3b7ddc1c144f9c884f65b7f3d23a63ea68cb6dd0302528c17ee09 |
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font_02_sfnt_off000082d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82D6 | 16392 bytes |
SHA-256: 8d9529fca8e49fd747a132c86257b3f003f6793d9f50918e3e02e184cbe99d44 |
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