MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, including one identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Amazon kindle pdf convert' and includes the malicious URL. The presence of a 'download button' heuristic further supports the lure mechanism. The primary attack vector appears to be a phishing attempt using a deceptive link to redirect the user to malicious infrastructure.
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/wb?keyword=amazon%20kindle%20pdf%20convert In PDF document text
- http://files.movie-season.com/uploads/1/3/1/8/131856743/d9ab73a8352a9.pdfIn PDF document text
- http://files.oneomatatime.com/uploads/1/3/2/6/132681391/4fcf6d73f.pdfIn PDF document text
- http://files.toyourjoyaromas.com/uploads/1/3/1/4/131453177/werosonifukoz.pdfIn PDF document text
- http://files.sambacostumeparis.com/uploads/1/3/1/4/131455463/sozugud-kubuxoxenotuvof.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/1/0431/0774/5958/files/bootstrap_vertical_center.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6756/3418/files/likujixibarijavafozoxef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4629/6982/files/80743745491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/important_vocabulary_english_to_bangla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2652/0987/files/ird_payment_slip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5290/0250/files/8281703955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/91432709181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6151/7217/files/50646238111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1469/files/62971055777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9432/6939/files/jabegexefab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0061/7381/files/63913964560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6808/7701/files/biology_chapter_7_cell_structure_and_function_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1989/3927/files/catalogo_eudora_ciclo_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6988/8920/files/introduction_biostatistics_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0494/4807/files/vaniwen.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_off00006573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6573 | 5284 bytes |
SHA-256: bc4a9916651896e59619bc4b74abe0c62a9bbd2ce840396142138f019e04e8da |
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font_01_sfnt_off00007762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7762 | 10024 bytes |
SHA-256: 4a24890ad567e95243443e87ebc83c9fa166c3dec38b7b3a71d98d2cfbc437ec |
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