MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to its structure, which includes a mass external PDF link farm. The primary malicious indicator is the presence of a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=d%2526+d+stealth'. Additionally, numerous links to PDFs hosted on cdn.shopify.com were found, with one specific example being 'https://cdn.shopify.com/s/files/1/0434/3323/0488/files/savings_bonds_calculator.pdf'. The file's purpose appears to be SEO manipulation or redirection to malicious content.
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=d%2526+d+stealth In PDF document text
- http://files.muzen.org/uploads/1/3/2/6/132681482/nerekivituwujidese.pdfIn PDF document text
- http://files.kungfuabq.com/uploads/1/3/1/3/131379590/subagezejexalog-vizin-vezuket.pdfIn PDF document text
- http://files.carolinewisejourney.com/uploads/1/3/2/6/132683264/xubadabiwekiwita.pdfIn PDF document text
- http://files.simixlaundrydetergent.com/uploads/1/3/1/6/131606965/tojigupaxikiramimur.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/1/0434/3323/0488/files/savings_bonds_calculator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8180/9558/files/tikexoxones.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/vofubomidobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1868/8424/files/fununutaxejuwijesutufime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3621/9291/files/95919438095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/11199966534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2348/3548/files/wepusidibufigudozasasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3100392900.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B76 | 4156 bytes |
SHA-256: 5ae3bcc49c87f96444fbe3d11ff27db43b6aea299416b9f3d286273c64098da8 |
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font_01_sfnt_off000079a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A4 | 37804 bytes |
SHA-256: 556422d5bd12d0a69cc119bdc61bd59590eee1ca73e05b5edf093d959ec7dc87 |
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font_02_sfnt_off0000ca29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA29 | 17784 bytes |
SHA-256: 844ffddd2d988bf50cd6e6c9b5a56fe6f2ee3edd9c602e3325e51e047dd52fdd |
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