MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to funnel users to malicious content. The document body, though heavily obfuscated, contains a URL that mirrors the malicious redirector, reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score further support the malicious classification.
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=download+surat+al+waqiah+arab+dan+latin+pdf In PDF document text
- http://files.dorebowen.com/uploads/1/3/1/6/131607174/3994866.pdfIn PDF document text
- http://files.stayprotected.org/uploads/1/3/2/6/132682293/bozagipufosurok.pdfIn PDF document text
- http://files.kaneswriting.com/uploads/1/3/1/4/131483955/funesuri.pdfIn PDF document text
- http://files.foundationsofadolescentministry.com/uploads/1/3/0/7/130739285/7913455.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/1/0431/5850/3584/files/onan_generator_4000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0273/9363/files/zoluduv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7507/5225/files/58810826318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/20484997201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6019/1637/files/52012592338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4809/2323/files/mobinid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1384/6693/files/betovixote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/84945869167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3245/3030/files/94_chevy_silverado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7926/8520/files/1526827148.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_006_off0000aa62.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xAA62 | 21440 bytes |
SHA-256: ca8ef1f52e9c498f22e8373d5921209f88481a753a16d696d14dc785b8314c56 |
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font_00_sfnt_off00006b41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B41 | 5484 bytes |
SHA-256: 560eedb2abb694943899355c8826201ec227025153f89b1a3f5fb52d0cf7915e |
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font_01_sfnt_off00007df0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DF0 | 13976 bytes |
SHA-256: 5bc9b513ffdf2bcc2adc955ab6606a1c174d3f52279ac2df429f813dee81eb7b |
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