MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains numerous embedded links, many of which point to external PDF files hosted on various domains. The primary link, 'https://ttraff.com/wb?keyword=vade%20mecum%20pdf%202018%20gratis', is flagged as a malicious redirector. The document body, though partially corrupted, suggests a lure for a 'Vade mecum pdf 2018 gratis' download, indicating a social engineering tactic to drive clicks to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
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.com/wb?keyword=vade%20mecum%20pdf%202018%20gratis In PDF document text
- http://files.atlaslincoln.org/uploads/1/3/0/7/130776001/2385120.pdfIn PDF document text
- http://files.theroute92.com/uploads/1/3/0/8/130873973/zuguxizamuri.pdfIn PDF document text
- http://files.thetlacademy.shop/uploads/1/3/1/3/131384789/dupive-madelubupazape-dezarekinoza.pdfIn PDF document text
- http://files.poehaku.com/uploads/1/3/1/6/131607239/ab7f23f.pdfIn PDF document text
- http://files.travelbycamera.com/uploads/1/3/2/6/132681767/xunizajanij-zijavekinekad-xakomifake.pdfIn PDF document text
- http://files.cedarparkconcrete.org/uploads/1/3/1/4/131438848/wolagupiraj_danoxuwida_nubuvukim_pegud.pdfIn PDF document text
- http://files.connoisseurstours.com/uploads/1/3/1/8/131857071/abaa266e7dc9a.pdfIn PDF document text
- http://files.braverthanthewaves.com/uploads/1/3/1/4/131453807/5359755.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zexivavazi.files.wordpress.com/2020/07/26327861909.pdfIn PDF document text
- https://sidebuxaz.files.wordpress.com/2020/07/papoletefo.pdfIn PDF document text
- https://xopipovezeru.files.wordpress.com/2020/07/luxaxapabizo.pdfIn PDF document text
- https://nilufupuf287652963.files.wordpress.com/2020/07/15093581559.pdfIn PDF document text
- https://zoradake.files.wordpress.com/2020/06/90684055191.pdfIn PDF document text
- https://xukitivusapu.files.wordpress.com/2020/06/22615467389.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dipipopiluniwewikojidil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/sabuguj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/93959491289.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86593634255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34007074416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/pejiwarofa.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_off00006272.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6272 | 5596 bytes |
SHA-256: 5ff1a1238d906e9ea64ba0091b3a6fba3b8fe1bdebfced62d090356e53397647 |
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font_01_sfnt_off00007588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7588 | 13596 bytes |
SHA-256: de4cba410e071ebd49fa863efc406f133acdd99eb88b78a773629252e4b18c9c |
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