MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document is identified as malicious due to a high ML score and the presence of a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting it is a lure for 'America's test kitchen recipes pdf'. The primary malicious IOC is the redirector URL, which likely leads to further malicious content. The PDF also hosts a large number of external links, many pointing to Shopify domains, which is characteristic of a link farm used for SEO poisoning or distributing malicious payloads.
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=america+s+test+kitchen+recipes+pdf In PDF document text
- http://files.workpersona.com/uploads/1/3/2/7/132741241/mikumenajowa-mixewefola-zeseroruzukik-vinukeret.pdfIn PDF document text
- http://files.pamah.org/uploads/1/3/1/3/131398477/lelejeniwuvebef.pdfIn PDF document text
- http://files.jnafhc.com/uploads/1/3/1/8/131871745/jofawelufatag-zubinepifaxa-xikaruwavaviga.pdfIn PDF document text
- http://files.sandersinkstudio.com/uploads/1/3/1/1/131164399/9798423.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/1/0428/9835/8432/files/53293114795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/mopawodigode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3011/7542/files/definition_of_family_structure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1228/4831/files/60968900327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6259/9586/files/kuzetobakudipuzavezufot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/16598219932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2737/3986/files/69316220119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5742/2229/files/old_testament_seminary_teacher_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3420/6620/files/gijadadixaxumidemefijulud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/89738652473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/libib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/febedosunigudit.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_off00006644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6644 | 5416 bytes |
SHA-256: 3b8d3d0fc7c01860c62b43fc5ddc91d9b966b937dd37dbb21bb041d0324f209b |
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font_01_sfnt_off00007886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7886 | 10104 bytes |
SHA-256: a15cf6edc471b7638ea59c0b875c4e76855b064dba4ddee0d658f73904fcb063 |
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