MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a prominent link that, when clicked, redirects to a malicious URL. This URL is part of a link farm designed to lure users with popular search terms like 'Yeh rishta kya kehlata hai ringtone free download'. The presence of a visual download button further supports the social engineering aspect of this attack. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=yeh+rishta+kya+kehlata+hai+ringtone+free+download In PDF document text
- http://tawano.freechristianebooks.org/uploads/1/3/2/8/132816202/890d213dbaeb34.pdfIn PDF document text
- http://files.juliaandjustjulia.co/uploads/1/3/0/7/130775126/bewabeb.pdfIn PDF document text
- http://files.chslibrary.info/uploads/1/3/2/6/132683357/461948.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/1/0437/2499/6758/files/wapuligowavekeluxuge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9551/4535/files/behindertenausweis_antrag_berlin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0458/6235/5097/files/rigenilifagoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9758/7861/files/ted_bundy_movie_netflix_parents_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/vijunax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3778/6266/files/lavodedojigopejatumat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6801/5260/files/tekakox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/27366104964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1058/0903/files/comment_relier_plusieurs_ensemble.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1989/3927/files/sql_server_commands_with_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5930/4865/files/calendario_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/9580/2261/files/poor_wifi_signal_strength_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4040/7701/files/19373504085.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_off00004e16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E16 | 5388 bytes |
SHA-256: 4948718b388f43f652c9d3c201c69f7c1e45cee4d68c2296646d6c8f3e6a3625 |
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font_01_sfnt_off00006077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6077 | 14120 bytes |
SHA-256: d948aec757a49c4f3ad45f26cbde5cfe1504f29e808b720f39f397b4a3deb86b |
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