MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of external links, many of which point to a redirector service known for malicious activity. The document body, though partially obfuscated, contains text related to 'memento mori book pdf' and a URL that appears to be part of a link farm designed to attract users searching for such content. The primary redirector URL is https://ttraff.cc/pify?keyword=memento+mori+book+pdf, which is a critical finding.
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=memento+mori+book+pdf In PDF document text
- http://files.greenstitch.com/uploads/1/3/1/3/131384468/4676809.pdfIn PDF document text
- http://files.helintazelaar.nl/uploads/1/3/0/8/130814176/xuviferixatulitimu.pdfIn PDF document text
- http://gedumirex.minnesotauruguaypartners.org/uploads/1/3/2/3/132302978/senux-poxorawagov-kasepunubebexu-nigovuratuvebo.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/1/0436/0749/0717/files/kanojuvozofajaxexaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5962/4606/files/electric_boundary_conditions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/vavedolidodur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/shading_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97242885008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/nodowunavagajafozugogisod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3428/0099/files/61244692757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/0456/2328/files/antiacidos_en_el_embarazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8158/0188/files/19827412770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2761/8209/files/principe_de_fonctionnement_du_carburateur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5821/7631/files/72085855535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1283/3959/files/belisizir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1186/5751/files/www_blackanddecker_com_newowner.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8580/7268/files/49463730099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/37956136274.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_off00006cb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CB2 | 4976 bytes |
SHA-256: 069693a03da9c42b923dfa319121c92c842c5182d10dabf0f5fd9e89c7882a5f |
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font_01_sfnt_off00007d94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D94 | 10040 bytes |
SHA-256: b67300ef529e29f2aaaf96c695497f6e9e0fa1ef52ecf207be7a16f536d78786 |
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