MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the one identified by the heuristic. This suggests the document's primary purpose is to redirect users to malicious content.
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=numeros+romanos+ejercicios+primaria+pdf In PDF document text
- http://files.ccpwildlifecontrol.com/uploads/1/3/0/7/130739263/fuwomuvojafisosifowe.pdfIn PDF document text
- http://files.alphagolfopen.org/uploads/1/3/0/7/130775701/158390.pdfIn PDF document text
- http://files.theunquarantinedmind.com/uploads/1/3/0/7/130740530/3794916.pdfIn PDF document text
- http://files.timothyodzer.com/uploads/1/3/1/8/131871864/68812fdf.pdfIn PDF document text
- http://files.sillyhatsundays.com/uploads/1/3/1/3/131380337/zapumonijoketaf-lawexi.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/1/0433/0536/9768/files/kaxudalimokedalazozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/befakajiwugibinorixero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4197/2636/files/62354269402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2515/4716/files/75666223511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8701/0715/files/vugufugunemid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32686583269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4420/8797/files/97627058534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/ffv_best_job_combinations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7448/5401/files/como_converter_para_dwg_no_autocad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6509/8908/files/kopexajedinutifanekolibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5724/0478/files/zikofomazupovosanogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8609/4248/files/52927403797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1739/5611/files/bacteriological_techniques.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43692268827.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_off00008051.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8051 | 5116 bytes |
SHA-256: 8db0477bcdeec73c981c35d0baade2042ad864a8984c068e1e069cfd4ffcc3df |
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font_01_sfnt_off0000919f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x919F | 14628 bytes |
SHA-256: 1052e7eb1606b16f8a8bd9b937c6873703310b21522a1e5801765b110292b0cf |
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font_02_sfnt_off0000bea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA7 | 16164 bytes |
SHA-256: 0b9a470a83749802badcbd7d1d0fbcf06e3a9522711bbcc605b37bb17f1ff554 |
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font_03_sfnt_off0000d3c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C6 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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