MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=aristoteles+metafisica+libro+1+pdf' which is a critical indicator of malicious redirection. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through seemingly legitimate PDF documents.
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=aristoteles+metafisica+libro+1+pdf In PDF document text
- http://files.msfirephotography.com/uploads/1/3/0/8/130874676/7662538.pdfIn PDF document text
- http://files.vapagirlsbuildla.com/uploads/1/3/0/7/130776485/tetenudufilunoz.pdfIn PDF document text
- http://files.florablackettdesigns.com/uploads/1/3/1/4/131483343/2950589.pdfIn PDF document text
- http://files.delinadream.com/uploads/1/3/1/6/131606046/sizisugosuda.pdfIn PDF document text
- http://towowu.1040law.com/uploads/1/3/0/7/130740387/dozuwaliziverif.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/1/0430/1576/6177/files/bobojesuxiwojibasur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0427/8422/files/vetanudidivemugidawogom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8962/4224/files/nezotavirananopini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/direito_penal_parte_especial_bittencourt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3140/2395/files/postgres_show_databases.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/58136708958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6547/5229/files/open_veins_of_latin_america_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9966/files/35459041640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15900382268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4477/2759/files/57246994925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5121/2200/files/26902647380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2253/8136/files/china_s_war_with_vietnam_1979_issues_decisions_and_implications.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8288/2980/files/75839092925.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_off00006ddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDC | 5480 bytes |
SHA-256: b15db6ca9023e09a66fcd6800b6083fc634c0c15f0e9bd5196681ecd773bf566 |
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font_01_sfnt_off00008065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8065 | 15456 bytes |
SHA-256: 1bbc583d9386d5e9c7ca76c68cddafaec1510338bf5c3aa428df146160966370 |
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