MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious intent, including links to a known malicious redirector and a link farm. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics, suggesting an attempt to lead the user to a malicious site. The presence of numerous embedded links, many pointing to Shopify, suggests a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=how+to+archive+chat+whatsapp+android In PDF document text
- http://files.woodstovekitchen.com/uploads/1/3/0/8/130814063/fajopajisaw.pdfIn PDF document text
- http://files.senoramoore.com/uploads/1/3/0/7/130775308/ec479e9c0f802.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/1/0433/4583/8248/files/android_watch_phone_samsung.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4690/3701/files/fokak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7898/4614/files/zaserinotupijutulo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7591/1321/files/kaboledug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/1587/7286/files/blood_pressure_ranges.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0331/3315/files/vevixid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27150836515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/31590289477.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7537/0136/files/73561091409.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4478/8634/files/pobufazoxuropuzefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/xovuremuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7737/6936/files/62771436521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/didozex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/49683397526.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_off00005e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E5D | 5240 bytes |
SHA-256: f04db9651331ad2ac240a2802743035d3c12fed79c723687dd9ca44ca6d13ecc |
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font_01_sfnt_off0000703b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x703B | 10384 bytes |
SHA-256: fc9e61fbad9d6b8f00acb8d6bf13651784289c5c8469a32a2cbe6939c7806097 |
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