MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a download button, aiming to lure users to a potentially harmful website. The document body, though heavily obfuscated, contains the malicious URL. The presence of a PDF link farm further suggests a malicious intent to distribute links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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=calligraphy+practice+sheets+blank In PDF document text
- http://files.sydneyhasasister.com/uploads/1/3/2/7/132740743/fanujemoluxugozu.pdfIn PDF document text
- http://vutusa.summitmartialartsacademy.com/uploads/1/3/1/3/131379591/lufubomen.pdfIn PDF document text
- http://files.christopherlauto.com/uploads/1/3/1/4/131483214/jinubodilolokuz.pdfIn PDF document text
- http://files.nfovf.org/uploads/1/3/2/7/132712115/8548188.pdfIn PDF document text
- http://fowusixo.landsendmarinainc.com/uploads/1/3/0/8/130814328/budarura-tukajowesewavex-befikulij-wexasid.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/1/0441/1329/7560/files/52895831365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5771/7152/files/aerobic_and_anaerobic_process_in_wastewater_treatment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4819/6513/files/david_baldacci_movies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6428/5601/files/phytochemical_test_for_alkaloids.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7338/6136/files/71946943614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0621/3789/files/array_c_programs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7220/0608/files/wifadafaviwigexawetitape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8986/files/divas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2122/2567/files/thailand_logistics_report_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4146/2174/files/arthashastra_book_in_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2231/7728/files/ganenubarinonedep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5996/1239/files/62698745379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/18351656043.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E46 | 5408 bytes |
SHA-256: 813adbcffc31f78b770ae03ba1e345f5ea647858876ae67a894c424ad39366a1 |
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font_01_sfnt_off000070a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A4 | 9760 bytes |
SHA-256: 3379da3ae803f4350f439f5e77f481b8091428905294095c0d4ee5e3281a5148 |
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font_02_sfnt_off00009230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9230 | 16120 bytes |
SHA-256: b6b4a8d5f4f3f91eddb7a1d6191dbf181db8ea9dc6a65dc5bc068d06c7e78db3 |
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