MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is used to obscure the final destination. The document body, though heavily corrupted, contains the same URL, indicating it's the primary lure. The presence of a malicious redirector and the sheer volume of links strongly suggest a malicious intent to drive traffic to potentially harmful sites.
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=matter+and+interactions+4th+edition+pdf+download In PDF document text
- http://files.camponeway.org/uploads/1/3/2/6/132695813/rubotiwoba_babafawib_vojununanifow.pdfIn PDF document text
- http://files.virginiasar.org/uploads/1/3/0/8/130813778/4e53a41f25f.pdfIn PDF document text
- http://files.blockandboardpdx.com/uploads/1/3/1/4/131437724/biwavovigur-mezojiwex-tagojibiziwezi.pdfIn PDF document text
- http://files.joseluisperezjim.com/uploads/1/3/0/9/130969032/38531b4fdf8.pdfIn PDF document text
- http://files.flaniganssportsworld.com/uploads/1/3/2/6/132696233/mekak_kujanox.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/1/0433/5173/6471/files/99425887505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/sumaxabupag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0544/4259/files/2516988346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4946/0636/files/jetinamovomex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6517/0334/files/53911943500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1224/4134/files/wizanasizuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7151/2480/files/62577218801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/wobevajezas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/50865421372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/87241980087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8507/7405/files/meriki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/62178267992.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_off00005dac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DAC | 5428 bytes |
SHA-256: 90de92ff9501ef13d9b2c5ead3870df43bb206e94be7682a77054419711cbece |
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font_01_sfnt_off00007046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7046 | 10324 bytes |
SHA-256: 820c1c699747d22712cc0d00a01e6c1d771698ba6c193856edb4ce6c609a7cb0 |
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