MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of numerous external links, including one to a malicious redirector, suggests a phishing or redirection attempt. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be leveraged to disguise malicious links.
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=minor%20agreement%20pdf In PDF document text
- http://files.longbeachjunkremoval.org/uploads/1/3/1/6/131606072/rowokalidip.pdfIn PDF document text
- http://files.azkillerbeessoftball.com/uploads/1/3/0/8/130874518/jemizip.pdfIn PDF document text
- http://files.themelroesplace.com/uploads/1/3/2/8/132814473/xovoraj_zifirod_kizite_mopaluvu.pdfIn PDF document text
- http://files.alaskaascd.net/uploads/1/3/0/7/130775867/fanigilizev.pdfIn PDF document text
- http://files.bbfcafe.shop/uploads/1/3/2/7/132740270/1151702.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/1/0431/3920/3229/files/12609313143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5280/0920/files/gejabelabikibe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2145/8853/files/35938596758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7070/9142/files/24138302482.pdfIn PDF document text
- https://kebufif.files.wordpress.com/2020/07/menavurarenidop.pdfIn PDF document text
- https://kubuvepex.files.wordpress.com/2020/06/kulobedufevukajided.pdfIn PDF document text
- https://bewolebo714032914.files.wordpress.com/2020/07/dezedanu.pdfIn PDF document text
- https://bekakum.files.wordpress.com/2020/06/wiwuxaporobenofin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/nivamekipasoseku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8884/6753/files/84536879521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2214/0070/files/72064031558.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9151/5808/files/4872835722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78046530146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9165/6864/files/2226421826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/2747784762.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_off00007bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BF5 | 4944 bytes |
SHA-256: a84b32cd2cbb2b3ff688af5bb475ebf60bd3cf87fcf5c147883cf4e6f9c0036b |
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font_01_sfnt_off00008cad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CAD | 9988 bytes |
SHA-256: ca5e782cff1e11036252b44b4bf13b405ecddf651805b7309505e95169c95ea9 |
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