MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious intent, including links to known malicious redirectors and a large number of external PDF links, suggesting a link farm for SEO manipulation. The presence of a 'download button' lure further supports a phishing or scam attempt. While no scripts were directly extracted, the PDF structure and linked URLs point towards a malicious download or redirection workflow.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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/pify?keyword=sri+rudram+pdf+english In PDF document text
- http://files.nejnamc.org/uploads/1/3/1/6/131607346/bujowadatasivo.pdfIn PDF document text
- http://files.jellybeanschilddevelopmentcenter.com/uploads/1/3/1/3/131383604/fifefaparo_lorasewanizagal.pdfIn PDF document text
- http://files.rememberingresistance.com/uploads/1/3/1/0/131070518/2184277.pdfIn PDF document text
- http://files.handymanportlandmaine.com/uploads/1/3/0/8/130814390/sefutuligufaku.pdfIn PDF document text
- http://files.sueannecelebrant.com/uploads/1/3/1/4/131437351/26ff42c.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/1/0428/9835/8432/files/rixaraxamixenapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1153/7053/files/71067917979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/60934946900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6878/3766/files/48719157924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8213/0332/files/75065015516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7877/0078/files/wepixoxebufekemali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/10957016944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0077/2254/files/74765154181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9105/0137/files/5095519770.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bd2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD2C | 5560 bytes |
SHA-256: 7ce21f796d76b0684ab3ae7f102b09237b72ae3148efee41833f6fe79c83c3f2 |
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font_01_sfnt_off0000cfe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE8 | 14808 bytes |
SHA-256: edb7626f6b71500be3c786c2868d47f3d2698ee8795fa758e8ab0513af35c4a9 |
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