MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, many pointing to redirector infrastructure like 'ttraff.cc', which is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'apache lucene pdf indexing', likely a pretext to drive traffic to malicious sites. The ML classifier strongly indicates maliciousness, and the presence of multiple SEO-themed links further supports a phishing or scam campaign.
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/wb?keyword=apache%20lucene%20pdf%20indexing In PDF document text
- http://files.ironcovedesign.com/uploads/1/3/2/6/132681587/1928363.pdfIn PDF document text
- http://files.originalpiebar.com/uploads/1/3/1/8/131871902/puwevofilus-xojezaxa-najufoxipugelen-bulefusas.pdfIn PDF document text
- http://files.cphsvirtualmuseum.com/uploads/1/3/2/6/132696113/4705564.pdfIn PDF document text
- http://files.mwprofessionalphotography.com/uploads/1/3/1/1/131163512/limorivasolo-pesefem-buvewovo.pdfIn PDF document text
- http://files.xzibitstudios.com/uploads/1/3/1/3/131379980/2056237.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/1/0436/9163/8934/files/59064890940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3077/3913/files/kiwutesuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wizivudid.pdfIn PDF document text
- https://datoniv.files.wordpress.com/2020/07/xinekedaluvadewe.pdfIn PDF document text
- https://wokediwiwoj.files.wordpress.com/2020/06/82540314755.pdfIn PDF document text
- https://zozumak.files.wordpress.com/2020/06/gubewozimowupezekubi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5957/6986/files/kasezemotim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zukukujumifuxutage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2664/4125/files/kafuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1540/4695/files/welodiborenefulovazubajil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/39759687233.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9887/3762/files/vusoxamedipunesep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1630/6344/files/mipufusagogeguzepijusur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3233/6791/files/48318220249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7959/8229/files/63182709874.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_off00008117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8117 | 4892 bytes |
SHA-256: d70ad4461172bac6ec8b2bbc08ae6eceb3aa8a529e95aebb4e669d43ca0036f7 |
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font_01_sfnt_off000091b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91B5 | 10312 bytes |
SHA-256: 0b2e8ccc5683eb5ca831046e3b2d01c536355ca940163563d6a98e6b2b5f5f96 |
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