MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for linking to a known malicious redirector, specifically 'https://ttraff.com/pify?keyword=economistas+clasicos+y+sus+aportes+pdf'. This indicates the document's primary purpose is to redirect users to malicious content. The presence of a large number of embedded external PDF links further supports the SEO-based link farm tactic, likely to improve search engine ranking for malicious sites. No scripts were extracted, but the embedded URL is sufficient evidence of malicious intent.
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=economistas+clasicos+y+sus+aportes+pdf In PDF document text
- http://files.marchmontfarm.com/uploads/1/3/0/8/130874276/c99e231fe97.pdfIn PDF document text
- http://files.kafyeblaan.com/uploads/1/3/1/8/131856381/becb5.pdfIn PDF document text
- http://files.wordsoundguide.com/uploads/1/3/0/7/130776809/rutifinuzepewe-juwogofo.pdfIn PDF document text
- http://files.crossroadschurchvt.org/uploads/1/3/1/3/131379591/vakaxazote.pdfIn PDF document text
- http://files.frankhagancontracting.com/uploads/1/3/2/6/132681404/zatamutofineve.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/1/0434/3264/0664/files/77375350396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2493/3287/files/dotalaxar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/nissan_720_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2986/2312/files/coordinate_geometry_by_abhinay_sharma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8890/3325/files/kagasoziti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6754/7552/files/90446980091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8428/files/64209793369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6331/2533/files/timilebuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7765/4942/files/wotawima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/almanach_zahad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3847/2357/files/masm_assembler_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2520/3354/files/59697489049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1625/6677/files/vofigofawavepipuzejogup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1644/4315/files/96596889235.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_off00007d55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D55 | 5360 bytes |
SHA-256: 9dedaf72a6db2cd4a8b2b3eeb9116c857d63d7afbc5c5f81afe3d1a6ec36f03e |
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font_01_sfnt_off00008f88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F88 | 10528 bytes |
SHA-256: a1e6d608253dd71388f92ce7847ac3d48b3882f778557a553b309f88d5758a00 |
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