MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to contain metadata related to 'Sdg goals chart pdf' and 'wkhtmltopdf', suggesting a lure document. The presence of multiple external PDF links, many hosted on WordPress, indicates a link farm strategy to distribute 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.ru/pify?keyword=sdg+goals+chart+pdf In PDF document text
- http://files.hikinggrenouille.com/uploads/1/3/0/8/130814666/malukudaraka_foxadisodutupe.pdfIn PDF document text
- http://files.lakelafco.org/uploads/1/3/0/9/130969710/6383655.pdfIn PDF document text
- http://files.wallstreetwhizz.com/uploads/1/3/1/4/131453214/efed779e23.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://karutetok765055257.files.wordpress.com/2020/07/80533671923.pdfIn PDF document text
- https://xofegobofam976630145.files.wordpress.com/2020/07/61947083842.pdfIn PDF document text
- https://xukojiruxe.files.wordpress.com/2020/07/rarakapiraferujagavib.pdfIn PDF document text
- https://vusuletameta.files.wordpress.com/2020/06/10744524603.pdfIn PDF document text
- https://xowutima.files.wordpress.com/2020/07/zarezupug.pdfIn PDF document text
- https://murodebedani.files.wordpress.com/2020/07/menatuberewelivusodikepa.pdfIn PDF document text
- https://sexepik.files.wordpress.com/2020/07/kexuw.pdfIn PDF document text
- https://gamumibas.files.wordpress.com/2020/06/57429275480.pdfIn PDF document text
- https://ritibifido.files.wordpress.com/2020/06/38428757588.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/4897260053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/nisex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3429/5966/files/vukomukipiramagazufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6644/1376/files/dotazojofofupatanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/guwabinegejoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5476/8021/files/5632193592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4265/1805/files/40427559117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2679/2100/files/lopaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/80331974251.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_off00006db3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB3 | 5036 bytes |
SHA-256: 398467bcb1ae1ef217d1e6980e23fdb1719fdcc5b5ae4cb20b87d46190765f91 |
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font_01_sfnt_off00007ede.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EDE | 11112 bytes |
SHA-256: 68f2b56aeba4abac1c4340c579024f23131237c96375a01ab29899e8e284fd99 |
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