MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'small pdf merge images' and includes the primary malicious URL. This suggests a social engineering attack aiming to trick users into visiting a malicious site under the guise of a utility. No scripts were extracted, limiting the analysis of further payload delivery mechanisms.
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/pify?keyword=small+pdf+merge+images In PDF document text
- http://mobixebo.clclockport.org/uploads/1/3/1/4/131438175/vepowufixa_zemisupukarati_purevo.pdfIn PDF document text
- http://files.destinyinthedetails.com/uploads/1/3/1/0/131070231/zetozulolar.pdfIn PDF document text
- http://files.sfxfaithformation.org/uploads/1/3/1/3/131379439/31ea7.pdfIn PDF document text
- http://ruvidezem.southernhillsbiblechurch.org/uploads/1/3/0/7/130775904/87e367d4d7143.pdfIn PDF document text
- http://files.varsity-prep.com/uploads/1/3/1/3/131398322/wegasup_famawol_nojofaninudefas.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/1/0433/0012/6880/files/vafotizojixedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugerivedisabuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4101/2377/files/misofekuvafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8521/files/52012610943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4031/8375/files/70604601740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/visatanikisakurusita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/9604/3674/files/cheat_engine._6._1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8380/9443/files/baja_autoestima_tesis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0190/5315/files/ribejolomubegemexesav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8657/7828/files/amadis_de_gaula_libro_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5199/9637/files/81530391861.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5815/1070/files/38657841051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0590/1991/files/natufivegadojav.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_off00005f39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F39 | 4956 bytes |
SHA-256: dc14475fc894fcccf96f3197a3ae1c3388677847ec897a2fb706b302bbd8439d |
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font_01_sfnt_off00007008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7008 | 10080 bytes |
SHA-256: a5746a64f4ff1f722710a97cb7b6de3f3072c2cee513b7f832b025b09dd5f3ee |
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font_02_sfnt_off000092af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92AF | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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