MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm with multiple embedded URLs, including a critical redirector link to ttraff.ru. The document body, though heavily obfuscated, contains the same malicious URL, suggesting a lure to a malicious site. The presence of numerous links, many pointing to benign Shopify files, indicates an attempt to manipulate search engine results or distribute malicious content through a seemingly legitimate platform. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.
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=certificate+of+participation+template+publisher In PDF document text
- http://files.education4fun.net/uploads/1/3/1/4/131438423/lugelizufedap_sezogibidubez_tukabuj.pdfIn PDF document text
- http://files.windowsofatlanta.com/uploads/1/3/1/3/131398177/sisomim_pipixexiki_rokalipuk.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/1/0436/9353/9478/files/81232105262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1817/3086/files/56098971062.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/1480/2855/files/colouring_sheets_animals_hard.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1778/0896/files/4709146513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3152/6557/files/zezijal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3550/8381/files/14500205720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0709/0581/files/theory_of_automata_mcqs_with_answers_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0102/7493/files/welanoguwajozowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3804/6365/files/21143649305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6628/6490/files/kevexekaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7055/3250/files/xekizarekuwaviz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/beat_it_remix_ringtone.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
🗂 Part of campaign:
education4fun.net
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6081 | 5300 bytes |
SHA-256: 5c90d1e7980781b20a06f9397f7d6a266328f934f41c626177640aa0b77c9d39 |
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font_01_sfnt_off0000724f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x724F | 9732 bytes |
SHA-256: cdc7567fe6f94e89b4a903b6896b0606d8e6cbda5137bf097979827808553186 |
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font_02_sfnt_off000093ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93AD | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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