MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links pointing to a redirector service (ttraff.ru) which is flagged as malicious. This redirector is likely used to obscure the final destination, which could be a phishing page or a malware download. The presence of numerous links to external PDFs, some hosted on Shopify, suggests an attempt to create a link farm for SEO manipulation or to distribute malicious content. The ML classifier also strongly indicated 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.ru/pify?keyword=color+management+pdf+printing In PDF document text
- http://files.mingsbubbletea.com/uploads/1/3/0/7/130738919/4899208.pdfIn PDF document text
- http://files.bingocompany.net/uploads/1/3/1/3/131379612/d2857f2095895b.pdfIn PDF document text
- http://files.firstclasscanvas.net/uploads/1/3/2/3/132302858/meritifi.pdfIn PDF document text
- http://files.rumjourney.com/uploads/1/3/1/3/131398084/a0a83.pdfIn PDF document text
- http://files.stephanieflear.com/uploads/1/3/0/9/130969598/muxusefomux_lojesoka.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/1/0433/0533/6985/files/5413345685.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/gabigukoxigoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8290/6789/files/65941402441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0954/7174/files/jativowubujivokanet.pdfIn PDF document text
- https://gozetazemo.files.wordpress.com/2020/07/gegiwafofewaragug.pdfIn PDF document text
- https://xevadev.files.wordpress.com/2020/06/34759248521.pdfIn PDF document text
- https://luropuk.files.wordpress.com/2020/07/terurowuwodonare.pdfIn PDF document text
- https://gukewatosum.files.wordpress.com/2020/07/61987992909.pdfIn PDF document text
- https://zosemonu.files.wordpress.com/2020/06/41101445351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47475247643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4615/1078/files/80180247099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5831/4912/files/wozetifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3077/3913/files/mavogoxubapovonolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/59501507478.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5199/9637/files/telamiwuxuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/nimesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28391359898.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_off00009432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9432 | 4996 bytes |
SHA-256: afcba449a319064c2df08897d436395ce603cee158a1a78c92b4c7813ae0667f |
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font_01_sfnt_off0000a514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA514 | 10412 bytes |
SHA-256: 694b791d66c5dafc41276099c9a45fbe4f458393622f8c23fea1f1ec5b061fd6 |
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