MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, many of which point to a redirector URL associated with malicious activity. The heuristic firings indicate this PDF is a redirector and part of an SEO link farm, designed to trick users into downloading files. The document body also contains the primary redirector URL, suggesting a phishing or scam attempt.
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.ru/pify?keyword=surah+yasin+pdf+file+free+download In PDF document text
- http://files.janhumphriesphoto.com/uploads/1/3/0/9/130969529/bapux-lujapeve.pdfIn PDF document text
- http://files.cbksteel.com/uploads/1/3/2/7/132741136/9800407.pdfIn PDF document text
- http://files.frministries4u.com/uploads/1/3/1/3/131398164/2040589.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/1/0428/6296/8991/files/38549968019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/ditugufukakukexezixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4889/3606/files/92073697097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/gefanepegov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7731/1395/files/barangay_clearance_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3071/5288/files/vuvefuzugivor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8827/2807/files/xapeworom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7131/5876/files/christmas_bingo_printable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4837/8274/files/zumifalikewemefidebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2631/6455/files/xomuvidunedaziwasokir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1206/7228/files/gaxog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/91505600955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5544/7202/files/nidubifetija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/momo_michael_ende.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_off00005923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5923 | 3144 bytes |
SHA-256: f7a613fda5ba50e51826cd50f69fcbe6c52e8b39af481034a561189469b0d3cf |
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font_01_sfnt_off0000645f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x645F | 5428 bytes |
SHA-256: 6db6304437e5a022c1ea13ffa09a2b0dc4737592c6464fa4495c0327a64bbe78 |
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font_02_sfnt_off000076e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E1 | 10412 bytes |
SHA-256: 09a4e82e64be91782ce660fbd2ce64bc4a63da177cad2d4f04979e258f0d0e2f |
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font_03_sfnt_off00009a2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A2C | 16852 bytes |
SHA-256: e36a86003cc587a64c9d431d3db6c5f72a21b2b30b9eba25e02ac0e6d473d527 |
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