MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for linking to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to a 'Trojan horse' book. The presence of a mass external PDF link farm further indicates malicious intent, likely to distribute malware or phish for credentials.
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/pify?keyword=pdf+libro+caballo+de+troya+9+cana In PDF document text
- http://files.periachurch.com/uploads/1/3/0/9/130969915/25d0ca.pdfIn PDF document text
- http://files.tc-const.com/uploads/1/3/2/7/132740987/1277292.pdfIn PDF document text
- http://files.arsalynyouthforums.org/uploads/1/3/0/7/130740504/0acb65d06fe9.pdfIn PDF document text
- http://files.campboulderinthewoods.com/uploads/1/3/0/8/130814169/ac56d.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/1/0430/3667/2162/files/86027696767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4940/2024/files/22637063038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/86566904601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2613/7756/files/jasexirekunivobivimijupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6241/9863/files/kagat.pdfIn PDF document text
- https://pajuxegob.files.wordpress.com/2020/06/seguxaxejema.pdfIn PDF document text
- https://zanixef.files.wordpress.com/2020/06/30092632014.pdfIn PDF document text
- https://jefogusiku.files.wordpress.com/2020/06/zebewonukelatuketigajaj.pdfIn PDF document text
- https://lobetaxaj.files.wordpress.com/2020/06/zadixipulidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1323/2024/files/buriliv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/wewukuwuvaruto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/jukowamomekusewenezedog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3110/9540/files/1691169443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7746/7288/files/3138386838.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/fejokozepomoxex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6263/1326/files/lolelirizebox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5204/7263/files/85682553569.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005edd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDD | 5024 bytes |
SHA-256: fea1bee88f68e35e6d4ba91606deb6cdbbfba88f641780e964c33b980b9b2a32 |
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font_01_sfnt_off00006ff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF7 | 10940 bytes |
SHA-256: a9963d8001722cdb41798f4c4dc4dd1235ea8d485795bfd3d1b9050374b749a8 |
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