MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, disguised as a download for study materials. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the redirection to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which point to Shopify domains, likely for SEO manipulation to increase visibility of the malicious redirector.
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=descargar+temario+administrativo+del+estado+pdf+gratis In PDF document text
- http://files.karenlindemanart.com/uploads/1/3/2/6/132681012/2944350.pdfIn PDF document text
- http://files.chardoncommunityactionteam.org/uploads/1/3/1/3/131384018/pugotut-newifuniz.pdfIn PDF document text
- http://files.gobeyondthepond.com/uploads/1/3/2/6/132683357/fb02328.pdfIn PDF document text
- http://files.icctexas.org/uploads/1/3/1/4/131437074/munadazuvejud_fifowov_wigavexo_jexigajif.pdfIn PDF document text
- http://files.irfannooruddin.org/uploads/1/3/1/4/131482884/8785152.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/1/0435/1010/4228/files/nedipinaker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1522/4996/files/72188417864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2127/9132/files/bloodlines_book_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9173/8277/files/xusonuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43181801848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1625/5650/files/10797871788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5737/3589/files/dababosudunotesovojerer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7947/6134/files/gelubunaserogewilawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7594/5126/files/wedepodedulidinik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5757/7122/files/zumetusuxepesewizinul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0103/files/fefufilajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3929/1554/files/musipixivibixisimuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/wefivaxemavax.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_off00005f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F98 | 5320 bytes |
SHA-256: 4bb5b71abd16e5c3da07262fbd91b957aa98a6004c1d03ba8de9ee78633e2d79 |
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font_01_sfnt_off0000719d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x719D | 11188 bytes |
SHA-256: 0b6ed99ecb4b34ce631bbc2544b7a5f1f0cd4b8c84ef69550fd8ddc0ec0314fa |
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font_02_sfnt_off000095ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95EC | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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