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 critical heuristics indicating it functions as a redirector and a link farm. One of the primary links points to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination or deliver a malicious payload. The document body itself is heavily obfuscated and contains remnants of the malicious URL, suggesting the document's purpose is to lure users into clicking these links.
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.com/pify?keyword=bibliotecas+virtuales+definicion+pdf In PDF document text
- http://files.paskes.com/uploads/1/3/2/3/132302859/tevikipite_kowadaj_ropijinosagog_kaleni.pdfIn PDF document text
- http://files.roejendradesigns.com/uploads/1/3/1/4/131406762/wugagumigejo.pdfIn PDF document text
- http://luwujobi.fsk-midpen.com/uploads/1/3/1/1/131164250/jotesaxaso-retazobaj.pdfIn PDF document text
- http://files.atouchofclaas.net/uploads/1/3/1/3/131381658/2c23ea5d9.pdfIn PDF document text
- http://sezomagal.nwgyfl.club/uploads/1/3/0/7/130776644/jadutanekano-wosigabebabow-zilufogo.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/1/0437/6009/1287/files/squeeze_theorem_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/welilavuruwad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9465/3594/files/gw2_firebrand_build.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6341/9814/files/18182177469.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3484/4059/files/zezofegodomid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6838/3642/files/3711181683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4681/3344/files/autocad_import_not_working.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3207/3624/files/sat_bubble_answer_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/fps_counter_unity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1368/4891/files/4989776590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3984/2719/files/risutabelowawitivitusipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/sort_linked_list_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5671/6186/files/24934645698.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_off00006114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6114 | 5400 bytes |
SHA-256: 77fd6615a52149f6e7b0d60191e195d7cfcc57222e3d78de1a22802cd6af8800 |
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font_01_sfnt_off00007373.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7373 | 11236 bytes |
SHA-256: 7679ca766de95677572dcb9f5d42b4f272987294a6ce475f61a467dd6d5bf8c7 |
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