MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to obscure the final destination of the malicious content. Additionally, the PDF hosts a large number of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness.
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=lagu+lily+dj+soda In PDF document text
- http://files.knysnahope.org/uploads/1/3/1/4/131437484/xebefiwogix.pdfIn PDF document text
- http://files.delphiniumservices.com/uploads/1/3/2/8/132815787/6995361.pdfIn PDF document text
- http://bibigibu.greaterpittsburghmontessorisociety.org/uploads/1/3/2/6/132682076/disibax.pdfIn PDF document text
- http://files.thrivingage.com/uploads/1/3/2/6/132681954/matuviwotutev.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/1/0440/6440/7702/files/5883064319.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0425/4615/files/83960149374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0979/4463/files/45587008475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1387/2548/files/80147828940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8537/3333/files/punctuation_worksheets_for_grade_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4716/5850/files/53603291827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/mozam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1013/0073/files/viliwurize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8677/4436/files/90319803129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0203/5351/files/rabemidajofepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9439/2485/files/66988898950.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_off000045cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45CF | 5016 bytes |
SHA-256: 6f885b2be6e90bbbf6bcc708bf0dcd9e9c2356a94f2c489dda58f8bb90fc2865 |
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font_01_sfnt_off00005704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5704 | 9752 bytes |
SHA-256: 72b56daa24722094a053a5ae120c38557c27d73ece169ea37bcc5f1a7ed03e98 |
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