MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other domains, forming a link farm. One prominent URL, https://ttraff.cc/pify?keyword=subnet+mask+cheat+sheet, is identified as a malicious redirector. The document body, though partially corrupted, contains text related to "Subnet mask cheat sheet" and the authoring application, suggesting a lure to disguise the malicious redirection. The ML classifier strongly flagged this PDF as malicious.
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=subnet+mask+cheat+sheet In PDF document text
- http://files.oldboneymountain.org/uploads/1/3/1/4/131437778/4475634.pdfIn PDF document text
- http://files.heathandhaveringurc.co.uk/uploads/1/3/1/6/131637271/mulebojalogox-zewupuj-popemema-libigav.pdfIn PDF document text
- http://files.bodegabayhouse.com/uploads/1/3/2/7/132741334/kezaxolivegekem.pdfIn PDF document text
- http://files.swinglecountertops.com/uploads/1/3/1/0/131070572/xoxivegiweroxovodud.pdfIn PDF document text
- http://files.rmhsperformingarts.com/uploads/1/3/1/4/131453650/somudizevikigupijas.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/1/0434/9270/4408/files/tavawazidojaxesazibolole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0875/3827/files/42471614292.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7962/2040/files/2524616310.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97454987384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10217245918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7272/4900/files/86904466554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8577/5519/files/vavonepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/lowabetoxoxoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/xosadunivixewugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6289/4485/files/pumurakuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/66946670111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wotedosepano.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000086e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86E2 | 4944 bytes |
SHA-256: aa501fb4dfcde510b040b24cc05c36d0aec8b69ec93d45f42bbb6df1d1109634 |
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font_01_sfnt_off00009776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9776 | 13640 bytes |
SHA-256: f4e09e8629ebdc863a3d7a1645140cf710205874093fb91767b236b3bc132c5b |
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font_02_sfnt_off0000c250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC250 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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