MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One prominent link directs to 'ttraff.ru', a known malicious redirector, which is likely the primary malicious payload delivery mechanism. The document body itself is largely obfuscated but contains the initial lure URL.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=diccionario+biblico+hebreo+espa%25C3%25B1ol+luis+alonso+schokel+pdf+gratis In PDF document text
- http://files.mikesmassivemissives.com/uploads/1/3/1/0/131070452/7964779.pdfIn PDF document text
- http://files.supernaturalentertamitedproductions.org/uploads/1/3/1/4/131455883/visemomitowezij-fezaweku-xevut-kixivim.pdfIn PDF document text
- http://files.northwoodshaman.com/uploads/1/3/1/6/131606546/dbae9.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/1/0427/3651/7286/files/zuwebikererib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4302/8120/files/nijupusikuvuwowoxutum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/20236380264.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8922/3066/files/kobavuteriporavib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2667/7913/files/google_zerg_rush.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1548/8167/files/79209618563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7353/6161/files/71469220463.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6587/6379/files/23843293127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/catholic_encyclopedia_vol_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0381/2773/files/mabuvaniw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/fezejexunobotolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3383/7224/files/java_spring_framework_tutorial_for_beginners.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_off0000584f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x584F | 5832 bytes |
SHA-256: 1c2e6e8dcf8a947119806f9b9bc3b89b201b8c370a6ad8e0c12397502805d8c3 |
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font_01_sfnt_off00006bdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BDD | 11188 bytes |
SHA-256: 5094fa880060281eea53ad075cf9520d52fd53bc43bc0ebd1940be36f39e56a6 |
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