MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded links, with a primary redirector identified as malicious. The document body, though heavily obfuscated, contains the primary malicious URL and several benign-looking Shopify links, likely part of a link farm to obscure the malicious destination. The ML classifier strongly indicated maliciousness, supporting the heuristic findings of a malicious redirector and SEO link farm.
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.ru/pify?keyword=jetstar+787+business+class+trip+report In PDF document text
- http://files.morganvalleycandles.com/uploads/1/3/1/3/131380341/5716496.pdfIn PDF document text
- http://wufasaw.swhiteyart.com/uploads/1/3/0/8/130873851/6241339.pdfIn PDF document text
- http://files.augustiniana.net/uploads/1/3/1/6/131606373/a523a25281c.pdfIn PDF document text
- http://razogilug.monetaventures.com/uploads/1/3/0/7/130776485/341fa8.pdfIn PDF document text
- http://files.rosinakhan.com/uploads/1/3/1/6/131637814/mavopedibixu-setegepevi.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/1/0432/4337/2699/files/77824108054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9702/2879/files/7th_grade_math_worksheets_free_printable_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2325/1094/files/944_angel_number.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5498/0505/files/40427996407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7650/2175/files/nedujejajagowiwavapen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5790/5818/files/fosimewisitusew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/klasifikasi_rhizopus_oryzae.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0458/5488/3993/files/excel_income_and_expense_template_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/tipos_de_canulas_para_traqueostomia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7789/2264/files/manual_de_bioconstruo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9525/2374/files/zatumizugibis.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_off00006b2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B2A | 5212 bytes |
SHA-256: 338669f3da77f48e93a490af7fe909e88fbbd14c6186aaacc02ec31f20564a15 |
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font_01_sfnt_off00007ce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE0 | 9928 bytes |
SHA-256: 342f41533a79d5aa765fcd3352f31773a2bee1b700a4ba191fc5d64c318b39c6 |
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font_02_sfnt_off00009ef5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EF5 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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