MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical heuristic identifying a link to known malicious redirector infrastructure. Another critical heuristic flags the PDF for containing a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure malicious destinations. The presence of a 'download' button lure further supports a malicious intent to trick users into clicking through to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=divisibility+rules+foldable+template In PDF document text
- http://files.ekleonline.com/uploads/1/3/0/9/130969265/79e8bf25.pdfIn PDF document text
- http://buwokux.ryanwesleygilreath.com/uploads/1/3/1/6/131607310/454bd65.pdfIn PDF document text
- http://files.annabananaonline.com/uploads/1/3/0/7/130775979/5085359.pdfIn PDF document text
- http://files.rosannavanmierlo.com/uploads/1/3/0/9/130969974/394c995073d.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/1/0430/9866/9220/files/fexurixufozefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9922/6279/files/aap_se_mausiiquii_hd_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8565/1358/files/60004803277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8339/9329/files/30864582439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9182/0711/files/recognition_certificate_templates_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8841/2836/files/ligazipenerovorilaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/8125041837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/bleeding_disorders_in_neonates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2717/7380/files/putawipuwifipevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/59709079581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2449/6286/files/2019_tamil_new_movie_free_tamilrockers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0083/7782/files/83806441924.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_off000053fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53FB | 5488 bytes |
SHA-256: 393fa0939cffb6618909d2e3d0854ee62db7220fa543b4fe50d020bc6129ed20 |
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font_01_sfnt_off00006692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6692 | 10144 bytes |
SHA-256: 0bb052dc8f199c626e6c63697caba44f7493b93a967f945d351aa98a5cbea40f |
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