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 malicious URL, identified as a redirector for SEO spam and phishing lures. The document body, though heavily obfuscated, contains text related to 'English speaking course free download pdf in gujarati' and the malicious URL, indicating a social engineering attempt to trick users into clicking the link. 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.cc/pify?keyword=english+speaking+course+free+download+pdf+in+gujarati In PDF document text
- http://files.mlabnj.com/uploads/1/3/2/7/132740214/fisativ.pdfIn PDF document text
- http://files.dunlapfire.com/uploads/1/3/0/7/130775046/1545000.pdfIn PDF document text
- http://files.chesterknits.com/uploads/1/3/0/7/130740538/4055390.pdfIn PDF document text
- http://files.wickedlashdesign.com/uploads/1/3/0/8/130874587/gupamugonup.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.indictrans.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4672/1946/files/99914212186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/trails_of_cold_steel_ap_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/66698485210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/38694294969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8442/1022/files/speed_air_compressor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/2619/0234/files/cydia_ios_8._1._3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5590/6967/files/49552514667.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5987/9834/files/75385942637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/40722007248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/42824267767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3105/1943/files/48005501140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C57 | 5604 bytes |
SHA-256: cf97bbb46d0090a4581c4897d353154711c31248ca8d05ce33b09060545ae9aa |
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font_01_sfnt_off00007f79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F79 | 4336 bytes |
SHA-256: 87016e8933cc862d1d188edfbee698abcff8178ed3d6b510b61737ee02f60284 |
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font_02_sfnt_off00008d1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D1A | 15260 bytes |
SHA-256: 9df88f3907fe0d0c43643cbc73c468363c614bdd8de1d1f573b62fed124bc529 |
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