MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by a machine learning classifier and contains a critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing. The document body and embedded links indicate a link farm strategy, with the primary malicious URL being https://ttraff.ru/pify?keyword=verbos+para+contenidos+actitudinales+pdf. This suggests the PDF is intended to lure users to malicious content through a series of redirects.
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=verbos+para+contenidos+actitudinales+pdf In PDF document text
- http://files.asliors.com/uploads/1/3/1/4/131437886/nukawisul-tatiximif-kufenor.pdfIn PDF document text
- http://files.davidfullerentertainment.com/uploads/1/3/0/7/130776267/gopiderigelodo.pdfIn PDF document text
- http://files.alexbadas.com/uploads/1/3/0/7/130775677/wudupanixezokas_bagerowafiwog_mowawadisobowe.pdfIn PDF document text
- http://files.ahcw.org/uploads/1/3/2/8/132815318/5068064.pdfIn PDF document text
- http://wudixare.rebeccarankinyoga.com/uploads/1/3/0/7/130776644/51e9b83ac37.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/1/0434/1222/6200/files/3580776556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4188/0224/files/nuxetapabivakisejasis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8278/4676/files/siyavula_physical_science_grade_12_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9439/2485/files/87492030335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4302/7104/files/82068695094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0807/files/jexapegiduzowufapatilep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9336/0791/files/modelo_canvas_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7571/2664/files/sirevugapalilipufogimudox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3273/1038/files/21191053099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4506/8699/files/mevixusasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pegumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/besovisitoxixamubid.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004bb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BB3 | 5252 bytes |
SHA-256: d9bf3f6b41e3d2361bbec9e96a9be2e744cb6ef2121c84465a4f0e983220681b |
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font_01_sfnt_off00005d8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8E | 2512 bytes |
SHA-256: 4dce65651168509d23c29733f7150cf533a8e6ef747e4a2aebe96b50709536f0 |
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font_02_sfnt_off00006878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6878 | 10756 bytes |
SHA-256: 1db9d992f169598c4c3bb6bf06bf1b78eae128e304081a9038ed7ec7408a907c |
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