MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector infrastructure associated with malicious activity. The document body, though obfuscated, contains text related to 'consumer reports best mattresses 2016' and a URL that aligns with a phishing or scam lure. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=consumer+reports+best+mattresses+2016 In PDF document text
- http://files.danielles-boutique.com/uploads/1/3/2/7/132710603/sozasigosejikej_nogelotado.pdfIn PDF document text
- http://files.morrisadvohealth.com/uploads/1/3/1/4/131482864/ca9a98869780f3.pdfIn PDF document text
- http://files.caregiverscontact.com/uploads/1/3/1/4/131438207/57c9197448.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/1/0433/0687/7080/files/naduz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2949/4940/files/58631958712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/rusorilexikosudiduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2296/5160/files/92017992700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1474/1413/files/febinobezibakipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1320/8221/files/futata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/74173274060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/supumux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4465/0651/files/sunitubagekamed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/janapudadumudozenekada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2499/6773/files/zozedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9612/1251/files/poxuxoxefenokexuki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9495/0559/files/dibonirudebinopomexunaf.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_off000065ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65ED | 5456 bytes |
SHA-256: 9339c9b69fc3cce68ffadd5f0ec3a96d58e42f45a2a8d13a1c1b4d1397beb955 |
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font_01_sfnt_off00007858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7858 | 10180 bytes |
SHA-256: ca7d6450b7c086ce9f3ddb9883e8ef0d22b8ef134b97264d0ac75c93d096204c |
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