MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to link farms designed for SEO manipulation. One prominent URL, 'https://ttraff.com/wb?keyword=libreoffice%20convert%20xlsx%20to%20pdf%20command%20line', is identified as a malicious redirector. The document body also contains numerous links to external PDF files, suggesting a coordinated effort to drive traffic to potentially malicious sites. No scripts were extracted from this sample.
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=libreoffice%20convert%20xlsx%20to%20pdf%20command%20line In PDF document text
- http://files.fongfilms.com/uploads/1/3/1/3/131380251/71366a8a2f80a.pdfIn PDF document text
- http://files.liquidsunshinedesigns.net/uploads/1/3/1/6/131606644/6427307.pdfIn PDF document text
- http://files.euraudaxbelgium.com/uploads/1/3/1/4/131406835/9586359.pdfIn PDF document text
- http://files.nataliekeymist.com/uploads/1/3/1/3/131380875/cae3f6b1c851d9.pdfIn PDF document text
- http://files.brandyringer.com/uploads/1/3/1/3/131379325/wefinumavipatob.pdfIn PDF document text
- http://files.christianpensel.com/uploads/1/3/2/7/132712193/wuwib.pdfIn PDF document text
- http://files.isoandbusinessexpert.com/uploads/1/3/0/8/130813797/noxodak.pdfIn PDF document text
- http://files.gw-properties.com/uploads/1/3/1/3/131398135/4442790.pdfIn PDF document text
- http://files.vivagreb.com/uploads/1/3/1/6/131637034/kimab-sugala.pdfIn PDF document text
- http://files.miriamruberlartist.com/uploads/1/3/1/4/131483019/828517e6fc26dc2.pdfIn PDF document text
- http://files.integritymetalworks.com/uploads/1/3/1/3/131379776/1347963.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://tomozajip.files.wordpress.com/2020/06/narozidowevizixiwo.pdfIn PDF document text
- https://pezuram.files.wordpress.com/2020/07/fibotomalukopajopalet.pdfIn PDF document text
- https://sigawogigo.files.wordpress.com/2020/06/2538771860.pdfIn PDF document text
- https://jenozijoxoxe.files.wordpress.com/2020/06/moderarepalipedebiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuketunaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58585016777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54058680795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87899810879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84005007378.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30553092986.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_off00008079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8079 | 5300 bytes |
SHA-256: 909ed051a2735984589bfa6b632a77024a5163b583e4f297bfcc868e950c554e |
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font_01_sfnt_off00009260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9260 | 15904 bytes |
SHA-256: 685cf0981e453c82486e93c6ba2b0037c5352800176927525407177845b771e2 |
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