MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though obfuscated, contains a URL that is also flagged as a redirector. This suggests the primary goal is to redirect users to malicious sites, likely for phishing or malware distribution, leveraging SEO tactics.
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=lagu+bungong+jeumpa+berasal+dari+aceh In PDF document text
- http://files.megannasto.com/uploads/1/3/1/4/131453294/zisudifosep.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/1/0431/0528/8352/files/wesedovafisifiwepotidowos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7078/3645/files/xusuwawugoxigikukemab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5253/0845/files/xixafizikesidawazalil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2202/3847/files/riraxusupamomavepatebupov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/13072089940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6661/2130/files/educated_unemployment_in_kerala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6518/6206/files/6615303141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1551/0938/files/cirrosis_hepatica_tratamiento_farmacologico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3370/files/lalutekanavusowadevirot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/topevakizomivasasa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5920 | 5448 bytes |
SHA-256: ab88c4a328398723747778cc03cf62f428aca1bda23ccdd90ea75589bf18a3ce |
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font_01_sfnt_off00006b64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B64 | 10212 bytes |
SHA-256: 2b629927bf2a5dbd0868a502c1720876d615c003fddd19636447f7e7f2106d42 |
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font_02_sfnt_off00008e92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E92 | 16752 bytes |
SHA-256: 8815a1229c645ea1cf9789a95c98fb88cefa43383f0c3cf1b06e4a613c5be5d1 |
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font_03_sfnt_off0000a612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA612 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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