MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=open+pdf+file+in+browser+c%2523'. Additionally, another critical heuristic indicates a PDF link farm, with numerous external links hosted on cdn.shopify.com and other domains. The document body also contains the malicious redirector URL and a list of other PDF URLs, suggesting a lure to download or view further content, likely malicious. The presence of a download button heuristic further supports a malicious workflow.
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.cc/pify?keyword=open+pdf+file+in+browser+c%2523 In PDF document text
- http://files.frederickjbrittain.com/uploads/1/3/0/7/130776327/1feec7adc09.pdfIn PDF document text
- http://files.sportfishingdalsland.com/uploads/1/3/2/6/132696274/fd45c.pdfIn PDF document text
- http://xelubo.thelightingsummit.com/uploads/1/3/1/4/131454024/3369954.pdfIn PDF document text
- http://files.emnote.org/uploads/1/3/0/8/130814124/39dbc138.pdfIn PDF document text
- http://files.elisemoran.com/uploads/1/3/1/4/131452997/4065651.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/1/0431/3127/3365/files/23098549828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8921/6163/files/wakeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8851/1130/files/55779072010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4863/9391/files/ryobi_31cc_trimmer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4681/3344/files/50507146723.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9200/9379/files/74743041475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/xonaminatowuson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7469/8902/files/jefutiviwuxamelilej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6337/8081/files/biviluxon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/adobe_cs6_master_collection_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7786/8443/files/86835329978.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_off000088d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88D4 | 5196 bytes |
SHA-256: 1beca3628743e28366db5ca0ea1c0afb6354ad78de454e3c0f32daf75a0b8ccf |
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font_01_sfnt_off00009aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AA3 | 10332 bytes |
SHA-256: bd93a359272232614e4a2bff4276de2b18bacd2a087a81985315b654c13b5835 |
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