MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one identified as a malicious redirector. The document body, though heavily obfuscated, includes a URL that points to a redirector service, likely intended to lead the user to a malicious site. The presence of a large number of external PDF links, many hosted on seemingly unrelated domains, suggests a link farm or SEO poisoning tactic to distribute 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.cc/pify?keyword=exercices+sur+les+accents+en+fran%25C3%25A7ais+pdf In PDF document text
- http://files.blogoftheo.com/uploads/1/3/0/8/130874516/8104fe8fbd126.pdfIn PDF document text
- http://koxeku.mshsupwardbound.com/uploads/1/3/0/7/130739192/lijepebetoka.pdfIn PDF document text
- http://xexodopo.euccommunity.com/uploads/1/3/0/8/130814124/zixuruse_fizuketufa_sirixewasalubab_sivuwos.pdfIn PDF document text
- http://files.studiosisu.net/uploads/1/3/0/8/130813558/7451642.pdfIn PDF document text
- http://files.speakingofveganfood.com/uploads/1/3/0/7/130738836/89634825136cd.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/1/0437/6687/4266/files/adverb_of_time_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1104/7575/files/3936121532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2267/8173/files/5033124167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5824/2470/files/31728449884.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7399/4905/files/rizexusuketawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4126/5566/files/monoxubugilus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37872338034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8653/6092/files/carteles_de_la_guerra_civil_espaola.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80A4 | 6568 bytes |
SHA-256: 792e288023e4fbe73a0351c4e4cf94c19217598e688914c0413f09f13c1160d5 |
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font_01_sfnt_off000090f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90F1 | 5356 bytes |
SHA-256: bfd39562a671371b9d6134ae64d7f62d4a045a12467a916ca29928a5e4355d76 |
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font_02_sfnt_off0000a2ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2ED | 7672 bytes |
SHA-256: acd063ec126415979fd026360316d8cf79962c6af7a937580fb2ad7c7401029f |
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font_03_sfnt_off0000bc85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC85 | 12768 bytes |
SHA-256: 9396327fec85542ad02c07c053e37f38572978954a0b41efa43c5de9633d3bfd |
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font_04_sfnt_off0000e45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE45C | 16960 bytes |
SHA-256: 915007072de49dd99d27a6f4bfb06d0f9ea18db855d3e673c648d288b011e006 |
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