MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=best+android+pdf+ebook+reader+app'. The document also impersonates a signing service, suggesting a phishing or social engineering lure. The presence of numerous links, including those hosted on Shopify, indicates a link farm designed to distribute malicious content or engage in SEO poisoning. No scripts were extracted from this sample.
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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Document signing service impersonation lure medium SE_DOCUSIGN_LUREDocument impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
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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=best+android+pdf+ebook+reader+app In PDF document text
- http://files.myjlstyle.com/uploads/1/3/0/8/130874031/ritom_pukeziwit.pdfIn PDF document text
- http://files.mattarian.net/uploads/1/3/1/3/131383775/3308623.pdfIn PDF document text
- http://files.aldersgatecenter.org/uploads/1/3/2/7/132710795/9682808.pdfIn PDF document text
- http://timuxijol.theyogasocial.com/uploads/1/3/2/7/132740285/5592806.pdfIn PDF document text
- http://files.stephaniemeredithart.com/uploads/1/3/2/8/132814949/jasidagizo.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/1/0433/2745/5387/files/classifying_triangles_by_sides_and_angles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7643/5621/files/evento_vascular_cerebral_isquemico_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0620/3803/files/telecharger_adkar_sabah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1468/3813/files/97220344800.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6613/7507/files/bapalizeperer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4564/9574/files/potusowizutawab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7217/3733/files/pudunudizeniwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5181/0969/files/31142333095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9910/3136/files/tosogiduzupofijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3446/7752/files/91662489168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5458/8316/files/91800357297.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_off000076f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F8 | 5256 bytes |
SHA-256: 02cd5b09ef20940c3ffcb29f9a2ad1cd8e746ee65324544f861748ff699e81d9 |
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font_01_sfnt_off000088e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88E2 | 10684 bytes |
SHA-256: e85d4c9b88e835eabb85671146d41564b1249194bf6245c3d77258897d8313ac |
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