MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on domains like cdn.shopify.com. The ML classifier also strongly indicated maliciousness. The embedded URL in the document body, 'https://ttraff.com/wb?keyword=libro%20fausto%20goethe%20pdf', is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.
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=libro%20fausto%20goethe%20pdf In PDF document text
- http://nevatonot.waytoomuchstuffintheattic.com/uploads/1/3/0/7/130776661/liloza.pdfIn PDF document text
- http://towiral.internalpipetech.com/uploads/1/3/1/0/131070450/vuposu.pdfIn PDF document text
- http://files.vinoetamicis.com/uploads/1/3/2/7/132740480/ravetekeve.pdfIn PDF document text
- http://files.denysebridger.com/uploads/1/3/1/1/131164097/jobumaxodute-zujanu-mosupuzulazivi.pdfIn PDF document text
- http://files.blackandbrownarebeautiful.com/uploads/1/3/0/9/130969731/150ea7814.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/1/0431/0568/1562/files/suvanapofafuxapepumot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5706/0769/files/general_characteristics_of_phylum_arthropoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/jonodefazuparemabanuxuvod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0903/1840/files/sda_hymnal_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2317/9677/files/mapa_topogrfico_de_angola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5232/5272/files/bebeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1511/6696/files/fenezemagaxezopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0107/7142/files/11805491093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4062/8136/files/mojobunerux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2821/8010/files/sijujeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7678/0181/files/zusititesipese.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_off000085cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CF | 5352 bytes |
SHA-256: 2e4e8cb18bbf1bfafb63b2e079f28e92f8bd9eaacd338617a5361778bf64fe1b |
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font_01_sfnt_off000097f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97F1 | 11192 bytes |
SHA-256: cbdad1d96d78e20e38ab98e0b24f6e2d26dc742d2ac5dd2e178f2592a4dfb93c |
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