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 'https://ttraff.cc/pify?keyword=boishakhi+mela+song'. Additionally, it features a PDF link farm heuristic, with the first URL being 'https://cdn.shopify.com/s/files/1/0436/1751/7731/files/cells_and_their_organelles.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though partially corrupted, contains the same redirector URL, suggesting an attempt to lure users to a malicious site.
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=boishakhi+mela+song In PDF document text
- http://files.josezayaspr.com/uploads/1/3/0/7/130739951/lexerejibube.pdfIn PDF document text
- http://files.knightshalloffame.com/uploads/1/3/1/6/131606289/jugujapepubidipo.pdfIn PDF document text
- http://files.hellewoodworks.com/uploads/1/3/0/7/130776275/9e8bbbfcd6a2f68.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/1/0436/1751/7731/files/cells_and_their_organelles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4992/7327/files/after_livro_5_baixar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9158/2357/files/21453772936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6873/5140/files/australian_groundwater_modelling_guidelines_barnett_2012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/8ball_mjg_living_legends.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1594/3845/files/50563538381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0209/9873/files/liteletujivuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1855/0430/files/intermediate_biology_olympiad_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0281/4876/files/customary_law_cases.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96328102714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/nabelinix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7049/6661/files/nanowakoxobizawemigi.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B74 | 5116 bytes |
SHA-256: b71878f4e7e344a8449df02b444347daf3de1cccf9ed36a9ec92184cca1ec92a |
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font_01_sfnt_off00007cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CB9 | 5136 bytes |
SHA-256: 3bbe5958edbf95c3fdd599af14dfc97388d05553e26667e00d453f1192b9e2b8 |
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font_02_sfnt_off00008d21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D21 | 9908 bytes |
SHA-256: 42b5075292cc27895b67a2fd6ddc46d4d7e32a4824732fd4fa71b0577eabad7d |
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