MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains multiple embedded URLs that point to a redirector service, which in turn leads to a large collection of other PDFs hosted on Shopify and other domains. This behavior is indicative of a link farm or SEO manipulation scheme, potentially used for phishing or distributing further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=marxisme+dan+agama+pdf In PDF document text
- http://files.fireofdawn.com/uploads/1/3/0/7/130775893/zudopaniti.pdfIn PDF document text
- http://files.ashleighnicoleevents.com/uploads/1/3/0/9/130969440/tifedeniwe-lijemawipafi-dumadutugubiw.pdfIn PDF document text
- http://bikugawi.bunscoilmitchelstown.com/uploads/1/3/0/9/130969742/gerubotowapa.pdfIn PDF document text
- http://gowisomu.welldressedmamma.com/uploads/1/3/1/4/131453870/a636e74e80.pdfIn PDF document text
- http://mujuwux.kcgpediatricpt.com/uploads/1/3/1/4/131406390/206d5db2085c1.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/1/0431/3061/8011/files/gasuwitofuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5611/1520/files/94671715158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7557/5709/files/alphabtisation_fle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96512150342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/vivawelebekovover.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3082/3583/files/25411973236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/fipifasukexazevixol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/93089781164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8428/files/kujuwidutizadis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8526/7097/files/81703377571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1393/0142/files/juninuxexeje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6083/8050/files/66358876878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6214/8763/files/pagimefefum.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_off00007baf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BAF | 5400 bytes |
SHA-256: 2fc0408e62d6a09099a2206a37ddea75663fe13dc945dfed016f51b9b225394a |
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font_01_sfnt_off00008e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E0E | 10140 bytes |
SHA-256: 4584a51b2f11f6b0c8f6a9ea364562b8938c02bcf237af4d90311812683dafc6 |
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