MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating it's a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=antimicrobial+therapy+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure the user to this malicious site. The file also exhibits characteristics of a link farm, with numerous external PDF links, further supporting the malicious redirection attempt.
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=antimicrobial+therapy+pdf In PDF document text
- http://files.littlesciencebird.com/uploads/1/3/2/6/132695639/5095972.pdfIn PDF document text
- http://files.nowlunenburgcounty.com/uploads/1/3/0/7/130775151/jibabutibamepag_mifaribuvano_gixajime_vebedozuz.pdfIn PDF document text
- http://files.iwritebookspub.com/uploads/1/3/2/6/132696077/basekajufawaros-jepevimakijumo-welaz.pdfIn PDF document text
- http://files.ideeenwijzer.com/uploads/1/3/1/6/131606121/lexabutazed-sogane-wasetawapu-tazexasokutolip.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/1/0431/0463/2992/files/nivebuzemasisaxasuxomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8126/0440/files/vowamilojumogiguxodesum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4679/5424/files/minecraft_pirate_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85213016947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4959/9644/files/sacred_texts_of_hinduism.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7467/3050/files/lomupasifilapakosol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9436/0735/files/safamajufubidozejura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5489/1161/files/lotro_anfalas_scroll_of_empowerment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/buick_intellilink_hack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8544/6822/files/rijalirakexiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9064/1045/files/80373862318.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_off00009637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9637 | 5236 bytes |
SHA-256: e0018bf69810d2ab137423fa765a3d928a96806e936fa914d5e3a3cb397e510f |
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font_01_sfnt_off0000a7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7C8 | 10636 bytes |
SHA-256: d97d09fe5c3bf481464c2162b749372e3066757cfa79e1deda385a5e211ab6b2 |
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font_02_sfnt_off0000cc20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC20 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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