MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links, many of which point to a redirector service. This suggests a phishing or social engineering attack where the user is lured to a malicious website. The primary malicious IOC is the redirector URL, which likely leads to a more harmful payload or phishing page.
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/wb?keyword=scanner%20brother%20ads-2200%20pdf In PDF document text
- http://files.teamfitnessonline.com/uploads/1/3/0/8/130813357/7888941.pdfIn PDF document text
- http://files.sonasasia.com/uploads/1/3/1/4/131437711/6138187.pdfIn PDF document text
- http://files.pgpropsandmodels.com/uploads/1/3/1/3/131380728/tatok_xapejokixawe_xekap.pdfIn PDF document text
- http://files.paulspipes.com/uploads/1/3/1/3/131379894/88aaf03.pdfIn PDF document text
- http://www.opentle.orgIn 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/1/0431/1695/3767/files/rutekegewanawokalivusilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9270/4408/files/xabuxobara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0510/7620/files/sportsman_s_guide_coupon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3048/5912/files/manibopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/fundamentals_of_electromagnetics_with_engineering_applications.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25424470269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1765/8780/files/31006668995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5509/4677/files/96784983164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0952/3355/files/tebodigojazixesolebetuju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5495/5672/files/88903245737.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2545/4488/files/10041249217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/81670338235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/46879826172.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2620/8152/files/72076928509.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://www.gnu.org/licenses/gpl.htmlIn 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 |
|---|---|---|---|
stream_004_off00006772.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x6772 | 10800 bytes |
SHA-256: 71a62abe96400c3eeefe8a078dd56e00a179fc1adc99d21d08d5000bdbda5b76 |
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font_00_sfnt_off000053e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53E9 | 5760 bytes |
SHA-256: 4b1f23b94e93d1fb9366262bd6d1b9f7d8554c7acfd944620c33ef93919f27cc |
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font_02_sfnt_off0000864d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x864D | 12948 bytes |
SHA-256: 03de89a328d01dc883c7aacd133177747b8a1e7de24826373c0361ff692dffce |
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font_03_sfnt_off0000aff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF4 | 17244 bytes |
SHA-256: c35e676b04b51d868c0dd1a28f60f844b1ebaaddcaddbca6a68097dc656b2e0f |
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