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 document about quantitative aptitude. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this behavior. The ML classifier also strongly indicates maliciousness. The document body contains the malicious URL, suggesting a social engineering lure to trick users into clicking it.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=tricks+to+solve+quantitative+aptitude+pdf In PDF document text
- http://dejun.aslileblebicioglu.com/uploads/1/3/2/6/132695829/wogox.pdfIn PDF document text
- http://files.fpgreaterclayton.com/uploads/1/3/1/4/131453329/3724431.pdfIn PDF document text
- http://files.centralcoastna.org/uploads/1/3/1/3/131379054/f104b.pdfIn PDF document text
- http://wadakim.unclerhetts.com/uploads/1/3/1/3/131381204/4faf0.pdfIn PDF document text
- http://files.bonvivantgourmets.com/uploads/1/3/0/7/130774972/bee67.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0432/5530/0249/files/mukajim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3669/6995/files/99672240446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3865/2054/files/spreadsheet_program.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9599/0175/files/sebozidolizibomabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5295/5810/files/dv_lottery_application_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7448/6421/files/tulunasosimalimovijozenul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4827/9957/files/87541530927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7166/3256/files/aquatic_life_preservation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/wuxedapiwarejaliko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7387/1767/files/29654855380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6038/7227/files/liputemiganutewopebi.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_off00017efb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17EFB | 1684 bytes |
SHA-256: a8640cb23b15ac802f89dd0648c07b7ad030d8b62c5f78624c3814794ace58c4 |
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font_01_sfnt_off0001875f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1875F | 5348 bytes |
SHA-256: 6ee6c9aad81fb1594aa5e37ece5f152fa0fd39b19c353298446ae65be293a5e7 |
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font_02_sfnt_off000199a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x199A5 | 16528 bytes |
SHA-256: 8a3a762942a8c304d5e63827f8da13157175c08ee47d7b429bf3f5b5bf3b7827 |
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font_03_sfnt_off0001cd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CD1D | 16560 bytes |
SHA-256: 8b43df3ed75bf6d9fca93646995bd062e19f7583525952fd6d661b964dd6b30a |
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