MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `ttraff.com`. The document body, though heavily obfuscated, contains text related to 'Ca course details in tamil pdf' and the malicious URL, suggesting a lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier also strongly flagged this PDF as malicious.
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=ca+course+details+in+tamil+pdf In PDF document text
- http://lafedomeg.50magicshows.com/uploads/1/3/0/7/130775164/tuvexizenab.pdfIn PDF document text
- http://files.pinmetalup.com/uploads/1/3/0/9/130969548/7383251.pdfIn PDF document text
- http://files.luciwhite.com/uploads/1/3/1/0/131071295/9924013.pdfIn PDF document text
- http://files.spartanmommyphotos.com/uploads/1/3/2/3/132302871/fivikifonikaxijavuzu.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/1/0435/2117/9816/files/52787872632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1438/8892/files/pukadejuto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/cutting_edge_advanced_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1162/0509/files/31722622801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3666/3208/files/jugabamepasafotezezusuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8402105605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7056/files/54228558922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5392/4004/files/complete_pet_teacher_s_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2299/1007/files/graduation_announcements_wording.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/loranemogubidebum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4213/6476/files/hssc_advt_11_2020_notification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3747/4466/files/caperucita_roja_a_quien_tienes_miedo_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/6189/8390/files/believer_s_bible_commentary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5996/1237/files/ruvibinufakojuji.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:
pinmetalup.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EF | 5208 bytes |
SHA-256: 0dc3607cd7005e3e5812c3187292b490bd073809662a915a4e11448fa7dbacad |
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font_01_sfnt_off00007a85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A85 | 14404 bytes |
SHA-256: 80570f33dd053fb52fa1988a659d56dcd5fed8de593c8e3e440460893e3a7166 |
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font_02_sfnt_off0000a7b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7B2 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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