MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits malicious behavior through its embedded links. A critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=arcon+bold+font+free'. Additionally, the file contains a link farm of 14 PDF documents, with the first link pointing to 'https://cdn.shopify.com/s/files/1/0433/7709/8902/files/descriptive_writing_topics.pdf'. This suggests a social engineering or SEO poisoning attack designed to lure users to malicious 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.cc/pify?keyword=arcon+bold+font+free In PDF document text
- http://files.rivalgates.com/uploads/1/3/1/4/131455475/87388f1ae20aca.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/1/0433/7709/8902/files/descriptive_writing_topics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5754/5365/files/pazopubejisudogevijew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0292/9047/files/jowekeboxexufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6435/files/surrealismo_literario.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/64451958127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/tuved.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4283/9455/files/liftmaster_professional_formula_1_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7623/1063/files/kirubareredevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3983/4791/files/michelangelo_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4357/0343/files/43524877441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/62229260666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/6010/4090/files/student_attendance_management_system_android_source_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4979/3174/files/music_theory_for_computer_musicians.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D62 | 4756 bytes |
SHA-256: c2be80a6618581abf728d5658648508c1be777aedb29fc8adb37e33096c1dded |
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font_01_sfnt_off00006d95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D95 | 10308 bytes |
SHA-256: 6b3c7c069e5e38c5561532f8c7accb3e594da751607a3344dea8a8ff41f92d7b |
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font_02_sfnt_off00009124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9124 | 16084 bytes |
SHA-256: fb27248ec02d804caa0ce6a8dd06a8f0f211157336bc50f6c382585ff5fe3da3 |
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