MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains that host PDF files, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=eager+loading+sequelize'. The document body, though heavily obfuscated, contains this URL and references to 'eager loading sequelize', likely a lure to entice users to click the malicious link. The presence of numerous Shopify-hosted PDF links may be an attempt to blend in with benign content.
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=eager+loading+sequelize In PDF document text
- http://files.thegleasoncenter.com/uploads/1/3/0/7/130775049/xibapivev.pdfIn PDF document text
- http://files.azkillerbeessoftball.com/uploads/1/3/0/8/130874518/jemizip.pdfIn PDF document text
- http://files.moonlightairfoundation.org/uploads/1/3/1/3/131379567/c7506e54324e.pdfIn PDF document text
- http://files.spacetigertattoos.com/uploads/1/3/0/7/130739951/movojetinodot.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/1/0432/7853/2774/files/mukajikolenuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/86094791518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0821/2638/files/63982821177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6044/2774/files/redijiwakasujenovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/87862109962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9226/2560/files/26841716125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/46642765892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8731/4590/files/tibozoparuvafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/20809009005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/gugutat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7323/1258/files/wosesomokekajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4430/7098/files/79331806421.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_off00008fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FD8 | 4928 bytes |
SHA-256: b4e5ff0cdb220421a8b2dff00fcf295eb8f7503e4cc7fdec8fb46f44c8e8ce60 |
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font_01_sfnt_off0000a09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA09A | 15040 bytes |
SHA-256: bba775edc5136d2467b4404a44da9a6efc4d5245728f484a4213e9ca9dc70d41 |
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font_02_sfnt_off0000d008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD008 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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