MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with the primary heuristic identifying it as a malicious redirector. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=musica+de+tercer+cielo+para+descargar+yo+te+extra%25C3%25B1are', is flagged as malicious. The document body appears to be corrupted or heavily encoded, but the presence of numerous links, many pointing to Shopify domains hosting other PDFs, suggests a link farm or SEO manipulation tactic, potentially leading to malicious content.
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=musica+de+tercer+cielo+para+descargar+yo+te+extra%25C3%25B1are In PDF document text
- http://files.legacyhorselogging.com/uploads/1/3/1/6/131636990/rakofidi-tuxujojaxeki.pdfIn PDF document text
- http://wofipele.theexpatspeechie.com/uploads/1/3/1/3/131381241/rofisejeben-gogumefovot-zusuzuwolujenu-foromudovu.pdfIn PDF document text
- http://buponamax.aberdeennaturalburials.co.uk/uploads/1/3/2/6/132681947/7d7cdfcc5a.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/1/0429/1415/2607/files/bit_by_bit_salganik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1358/6596/files/59645321768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1829/6228/files/lilagejejilowerokejip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/anganwadi_up_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8466/7297/files/wuwizibim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6426/2818/files/sei_ira_beneficiary_designation_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/rupaul_drag_race_season_8_torrent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2118/8763/files/tetegabojojuvudovezana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2817/5255/files/nezut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1442/2677/files/xanogafilapevanoxediwepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7211/1260/files/bikogibogefezezar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7574/7491/files/wastewater_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3907/files/9301928073.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7664/9121/files/97224016639.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_off00005944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5944 | 5628 bytes |
SHA-256: c40d5bedd3f3667645a7076cdb66fa13745c182d814c6f1c517b7db0c7cca7c6 |
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font_01_sfnt_off00006c44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C44 | 14144 bytes |
SHA-256: 2e95a54696d748005da57eb398628210e1d4d042af5f33dac63a94c389e7c257 |
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