MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector (ttraff.ru). The majority of links point to PDFs hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports this assessment.
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/wix?keyword=devanados+de+un+motor In 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/1/0429/6340/2905/files/golinulitovomirilowapoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/88096602878.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/xss_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9770/1018/files/ket_sample_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7489/3477/files/52149602083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3393/5519/files/alter_ego_francese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/akbar_birbal_stories_in_english_with_moral.pdfIn PDF document text
- https://static.usrfiles.com/ugd/43d598_7fe7fa26f6954bab861806e128441521.pdfIn PDF document text
- https://static.usrfiles.com/ugd/dc98cc_a34bf1c1fe2c4e0fbe207f9e19ca4ce9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2c8d66_8013c5daf4c545ca91ba86e6ca402fd7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/930050_fd9ad4ebd00444aaa4d8b74628d6e68c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b72dee6326534a7fa73e2601425d7c25.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_fc2c3690156841729add3e999934dfc9.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_off000068fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68FD | 4832 bytes |
SHA-256: de0f077aa691186515d30979c57fab77d46fa9f262ce4615431fd655aa21bbb8 |
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font_01_sfnt_off00007955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7955 | 10824 bytes |
SHA-256: 9095eda91bbebf4be138ae77d7a75facd5824696de55f2210bad6a503e7c1f18 |
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font_02_sfnt_off00009cc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CC5 | 16064 bytes |
SHA-256: 5355995778af6fea050508ce4debc46bc2ba7deab687ac039556469e1bec84fc |
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font_03_sfnt_off0000b166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB166 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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