MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, https://ttraff.cc/pify?keyword=f%25C3%25A1rmacos+antiarr%25C3%25ADtmicos+pdf, is flagged as malicious and likely serves as a lure for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to attract traffic.
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.cc/pify?keyword=f%25C3%25A1rmacos+antiarr%25C3%25ADtmicos+pdf In PDF document text
- http://files.artandhow.com/uploads/1/3/1/4/131482991/mawedanelovibe_dugis_vawuratez.pdfIn PDF document text
- http://files.ceramicspaintingstudio.com/uploads/1/3/0/9/130969446/7863727.pdfIn PDF document text
- http://files.lisasturm.com/uploads/1/3/0/7/130740412/niresufijoxusagepa.pdfIn PDF document text
- http://files.ourladyoftheadirondacks.com/uploads/1/3/0/8/130814132/gatosenolunine_besovulurun.pdfIn PDF document text
- http://purelep.ciciliani.com/uploads/1/3/0/7/130775350/6256267.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/1922/2687/files/sql_query_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/tubufaxuzemilepawosote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1947/4856/files/busiwudovogoduragukoruz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7060/3932/files/8836649688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7917/9171/files/bwssb_merit_list_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4162/7029/files/56221053093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2711/9784/files/72719505650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7622/2114/files/52399878722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/dapobemuginufadigug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/kross_fire_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6563/8050/files/60246609003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4783/0183/files/wivebokesijasolokolefedi.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_off000083da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83DA | 5180 bytes |
SHA-256: 33bff1a9390bde045a1fc862cd320505fec2daf014de22100923208bcb26df98 |
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font_01_sfnt_off000094ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94BA | 11676 bytes |
SHA-256: d4f689de89c6e5d4803dfc192927fbe2b29185314c8eb86672e09a4197babcc5 |
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font_02_sfnt_off0000b9bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9BB | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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