MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, many of which point to a link farm designed for SEO manipulation. One prominent URL, 'https://ttraff.ru/pify?keyword=biography+bob+marley+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'biography bob marley pdf' and 'wkhtmltopdf', suggesting a lure to disguise the malicious intent of redirecting users to harmful infrastructure.
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=biography+bob+marley+pdf In PDF document text
- http://files.rydesouthflorida.com/uploads/1/3/1/4/131407625/4530179.pdfIn PDF document text
- http://files.riskohseq.com/uploads/1/3/2/8/132815298/ximolegefukej.pdfIn PDF document text
- http://files.lifelonglearning-charlotte.org/uploads/1/3/1/3/131398424/wigaxulifederox.pdfIn PDF document text
- http://files.larchiduc.com/uploads/1/3/0/8/130814855/kamedawivuzemek.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/1/0433/0556/6366/files/nizarufuzugapisepozozubek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7922/0891/files/63099427888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5150/7094/files/kasigufez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7829/5450/files/86012914964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7763/2161/files/towevitidabizum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4782/1212/files/64841452652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7008/7587/files/suziludufolinebaponor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/19963737127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/new_af_form_910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7259/3820/files/fisumadunoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/0570/9219/files/anabolismo_proteico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1578/2048/files/swing_trading_with_options.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8164/4697/files/sandcastles_beyonce_mp3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9369/5391/files/ielts_reading_passage_with_answers.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_off0000e826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE826 | 5568 bytes |
SHA-256: 08a96b3c803598190aa347ab9b14c1e51e77ad06dbe557212958470299a8204e |
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font_01_sfnt_off0000faf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF6 | 10380 bytes |
SHA-256: 6f4b48e283dc27bca9ffb93966d48beb647ca5f30912efe684c9dac85f296a5e |
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