MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to distribute malicious content. No scripts were extracted from this sample.
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=medicina+placentaria+pdf In PDF document text
- http://files.jodymorse.com/uploads/1/3/2/7/132740270/bitiram.pdfIn PDF document text
- http://files.nationalparkswithkids.com/uploads/1/3/0/7/130740522/f7a74a4a181c3f.pdfIn PDF document text
- http://files.five4him.com/uploads/1/3/2/7/132740435/8763100.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/1/0436/4405/9806/files/arm_strengthening_exercises_for_seniors.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4736/0424/files/limibelinikemuxobekexudis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1478/1085/files/40790415565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/wafebemumojodoxagavukovob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2230/2888/files/40878829225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8488/2844/files/59923269999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4231/4152/files/applications_of_artificial_intelligence_in_chemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/govonuzubujevutevunovakuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1370/5625/files/creative_company_profile_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/fifty_shades_freed_free_download_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1687/0293/files/cash_book_entry_in_tally.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000682c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x682C | 6588 bytes |
SHA-256: 746cda19d0a45b0d6108c63ff8192b2f88c2fff5e5937e692a7cb04b31166607 |
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font_01_sfnt_off000078a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78A6 | 4976 bytes |
SHA-256: 14c399531de8262798cec44e3cf1ca583f47e2dac9a53350c5f7b70d9ce99cc9 |
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font_02_sfnt_off000089a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89A8 | 5556 bytes |
SHA-256: d0ec661a3c981b5b005af2c59de6552b6278c44cb23648fe7db05c3d55df1275 |
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font_03_sfnt_off0000999d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x999D | 10792 bytes |
SHA-256: 57c6d917c9cb394579541ed5dcd56d1351e921efef19f450b6864d1ab4a52563 |
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font_04_sfnt_off0000bea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA8 | 16560 bytes |
SHA-256: 04a2ed69f00d48a206d8f803de549f6227ddbf63057ce7daa56af68409d75a43 |
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