MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a known malicious URL, identified as a redirector. The document body, though partially corrupted, includes text suggesting a lure related to a railway application form. The presence of numerous external PDF links, many pointing to Shopify domains, indicates a link farm strategy, likely to obscure the malicious redirector. The ML classifier 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=bangladesh+railway+application+form+pdf In PDF document text
- http://files.net.fruklas.com/uploads/1/3/0/8/130874125/b47d38f0de81d.pdfIn PDF document text
- http://files.kcmga.com/uploads/1/3/1/4/131410009/zilotal.pdfIn PDF document text
- http://files.b3risksolutions.com/uploads/1/3/0/9/130969083/3723413.pdfIn PDF document text
- http://files.briansartofcreation.com/uploads/1/3/0/8/130873708/dugoberoduroxupekuwo.pdfIn PDF document text
- http://files.solacedominic.org/uploads/1/3/1/4/131454581/c7cad48529b32c9.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/1/0432/5546/4104/files/zuratewinukumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7802/5377/files/rekulipafumapolodaripabik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6558/0437/files/10824416036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/nerexuwib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0240/4769/files/wekavif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9487/5039/files/tasirajumoretazalobedider.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/89182959650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5440/7580/files/37418202832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5111/4908/files/vexipok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8040/8474/files/48392477152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3038/0698/files/dexotusubuzamu.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_off000066ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66CA | 5812 bytes |
SHA-256: 971592d2791c62d68569ed9ad313f7cf722c90d275f9219a9a1c802595beb23e |
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font_01_sfnt_off00007a7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A7F | 11748 bytes |
SHA-256: 3b1b5c782683e58d42fb30d0dff300c5736a7fe3caa1b4f6f79d2f43a31a8bd9 |
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font_02_sfnt_off0000a094.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA094 | 11380 bytes |
SHA-256: 11b85a03df0f311cc3ff841abd8d57a71b894e0c83bf5623f9466c8d658b68ff |
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