MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=aphthous+ulcers+nice+guidelines', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links pointing to Shopify and other file-hosting domains, suggesting a coordinated effort to distribute malicious content or phish users. No scripts were extracted from this sample.
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=aphthous+ulcers+nice+guidelines In PDF document text
- http://files.conrah.wales/uploads/1/3/0/8/130874361/jiwaxoj-timujidu-joxupajomupa.pdfIn PDF document text
- http://files.cdcatparker.com/uploads/1/3/1/4/131437886/gukebizerivajijafep.pdfIn PDF document text
- http://files.madisonmedium.com/uploads/1/3/2/7/132710627/6161071.pdfIn PDF document text
- http://files.theflourishsisterhood.com/uploads/1/3/1/3/131398156/95d18288fa830.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/1/0437/6579/2929/files/88125020254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9581/8404/files/i_ve_been_booed_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9592/4637/files/bulejujuvejikewosesa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5048/3368/files/11th_ncert_biology_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/fundamentals_of_managerial_economics_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3809/files/pka_of_amino_acids.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3343/6055/files/profit_and_loss_account_and_balance_sheet_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5837/1480/files/precalculus_mathematics_for_calculus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/6181/0076/files/48645819809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9306/5881/files/bodyweight_exercise_routine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2700/3549/files/antropologia_significado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5099/8679/files/niveles_de_antigeno_prostatico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/motamoditojezuwupup.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_off0000760c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x760C | 5116 bytes |
SHA-256: 1c1eeac0fd95bf980f90aac6a5ed49c83124fac5cc015491f961d46f7f777bdb |
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font_01_sfnt_off00008768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8768 | 12196 bytes |
SHA-256: 99a3d396c2a0237ba6de13724dfbc0b3ec4803045ab4e41b480e016861101bed |
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