MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to trick users into downloading further malicious content. The ML classifier strongly indicates maliciousness, and the presence of redirector links supports a phishing or malware distribution attack pattern.
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/pify?keyword=infographic+report+builder In PDF document text
- http://files.totalbalanceclinic.co.uk/uploads/1/3/2/7/132712139/sonitujejexikeriz.pdfIn PDF document text
- http://files.umunano.org/uploads/1/3/0/7/130776714/tunananenomod_dedejozazabubeg_tegavi_xigasenudivuv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/ielts_recent_actual_reading_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/fallout_3_strategy_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/sademitalugukeketaxisata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0745/1029/files/cambridge_checkpoint_past_papers_science.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6730/2303/files/cepal_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0200/2595/files/tejubejasupusomefoveb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2818/files/carcinoma_basocelular_tratamento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3137/9619/files/iccid_check_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/acta_constitutiva_de_una_empresa_completa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7013/6218/files/jejukogamubas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8184/files/55974127181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/linobutuvabuwixebiw.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000744e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x744E | 5196 bytes |
SHA-256: 20582ca1398df8928f7990cc145efc63517ba25eb32c3f85445c8554469ec47f |
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font_01_sfnt_off000085e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E2 | 10524 bytes |
SHA-256: b98dd22d5c96b33e75de92a83f2e4a0305b0eb87e06215f8d3437e1fd37342e6 |
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font_02_sfnt_off0000a9d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9D5 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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