MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains embedded links that lead to a known malicious redirector, identified as 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to file conversion. The presence of numerous external PDF links further indicates a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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/wb?keyword=convertir%20foto%20pdf%20a%20jpg In PDF document text
- http://files.nastas.org/uploads/1/3/2/6/132681596/4001768.pdfIn PDF document text
- http://files.mcadoos.ca/uploads/1/3/2/7/132740639/4007997.pdfIn PDF document text
- http://files.readingsbytara.com/uploads/1/3/1/6/131607866/vuvenonimukoko.pdfIn PDF document text
- http://files.helptakeaction.com/uploads/1/3/2/6/132681938/3009213.pdfIn PDF document text
- http://files.morabezacatering.com/uploads/1/3/0/7/130740375/basifepexojotelazuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://tupozubobusi.files.wordpress.com/2020/06/63063676375.pdfIn PDF document text
- https://wunujixe.files.wordpress.com/2020/07/76559048166.pdfIn PDF document text
- https://fezipok.files.wordpress.com/2020/06/kugowuw.pdfIn PDF document text
- https://rudagus.files.wordpress.com/2020/06/zunalafijiwopabop.pdfIn PDF document text
- https://vudesezipi.files.wordpress.com/2020/06/lorefomalidurufunutix.pdfIn PDF document text
- https://lawabojivek.files.wordpress.com/2020/07/tinus.pdfIn PDF document text
- https://kagogitituxo.files.wordpress.com/2020/07/kebemakaritebimaketitet.pdfIn PDF document text
- https://nuxapujo.files.wordpress.com/2020/07/15378709040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2667/7913/files/98461576596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8699/5863/files/tezugasumajulufuvusanaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/49418761895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8127/7352/files/wedoturobulozema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5129/4619/files/gumukagelura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/66704368483.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_off000065e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E2 | 4948 bytes |
SHA-256: 96030109e86d1e457cfe8fd11252b6cc6b060a50fe91e26ee43ab91f4eee6fde |
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font_01_sfnt_off000076d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D3 | 10740 bytes |
SHA-256: 756f082f5330e0ecf03e18632e85119f52f93979ae9d1db5b1f1cd4431a85f83 |
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