MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a 'PDF_SEO_LINK_FARM'. The primary malicious link, 'https://ttraff.cc/pify?keyword=centenarian+act+of+2020+pdf', is flagged as a redirector to known malicious infrastructure. The document body, though heavily obfuscated, contains references to the 'Centenarian Act of 2020 PDF', suggesting a lure to entice users to click on the embedded links. The presence of multiple shopify.com links and other file-hosting domains indicates a broad distribution strategy.
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=centenarian+act+of+2020+pdf In PDF document text
- http://files.cheryltesslersolit.org/uploads/1/3/0/7/130738622/vukezenojive.pdfIn PDF document text
- http://files.purplewax.com/uploads/1/3/1/4/131407530/ribisifitel-fuzeririkizonot.pdfIn PDF document text
- http://suzotu.eviepeevie.com/uploads/1/3/0/8/130874422/mapuketori.pdfIn PDF document text
- http://files.johntstephan.com/uploads/1/3/0/8/130814226/58ebdc43d2.pdfIn PDF document text
- http://tajip.cardiffpilatesstudio.co.uk/uploads/1/3/1/4/131438539/2859efa05.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/3338/7420/files/anemia_falciforme_2020_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8214/5182/files/mizajufanune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9524/4441/files/business_report_writing_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9318/1087/files/mudane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1878/8774/files/sejomikasudepezakelepawum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9243/4343/files/47011197475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3033/0019/files/vexivejedel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0214/8510/files/resto_druid_artifact.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38655606666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2030/3011/files/swiss_721_fonts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6480/0918/files/ferowufix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9436/7649/files/xerostomia_causas.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005be6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BE6 | 5024 bytes |
SHA-256: 26bdb1fd47ba792685d06a5da30640db0a39281975ea86445e1114fad66dfbd4 |
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font_01_sfnt_off00006cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CFA | 2116 bytes |
SHA-256: 89454d8ece1be00d2333aac76955f46ed17c4d141322e635bf27f42efb43e54e |
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font_02_sfnt_off000076c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76C6 | 14992 bytes |
SHA-256: 554cc245e440f89cbc4d18644b8496dad1e04911f44b2cfb14232041f70f5353 |
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font_03_sfnt_off0000a560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA560 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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