MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one pointing to a known malicious redirector. The document body and heuristics indicate a lure to compare PDF documents, likely to trick users into clicking the malicious link. The presence of a visual download button further supports this phishing attempt. No scripts were extracted, limiting the analysis of further stages.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=compare%202%20pdf%20documents%20free In PDF document text
- http://files.dassiedahan-author.com/uploads/1/3/0/7/130776483/kamega.pdfIn PDF document text
- http://files.kofc6065.org/uploads/1/3/2/8/132814463/8049474.pdfIn PDF document text
- http://files.top10filmlists.com/uploads/1/3/1/0/131071067/tejib.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/1/0449/3488/9627/files/acetylation_of_aromatic_amines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mojarugalemidim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40429789840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2286/0966/files/67549535386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8282/3333/files/animal_cell_and_plant_cell_difference.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8085/7253/files/43488255649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9047/files/41245369217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/bunipibegaguvepufejazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6545/8336/files/real_easy_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/nodizex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8611/7019/files/74304860727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/xonobezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/28754649362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9885/7891/files/android_settings_put_secure_sysui_qs_tiles.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_off00006352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6352 | 5308 bytes |
SHA-256: 91ffef14428c0f289c7e3eb0c8f85c92ac08f7e8342314b6587e57de80043ea1 |
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font_01_sfnt_off00007539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7539 | 1936 bytes |
SHA-256: 73983ccd477f0e4c07634362c0f9f13a23cea415a26bff37f7f125d59a681190 |
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font_02_sfnt_off00007e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E7C | 10192 bytes |
SHA-256: e6000ee9265be6bec74ced72a040a8cc346d9dacfbd0d2b35bb4fd280aac91d2 |
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