MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector infrastructure, suggesting a link farm or phishing campaign. The presence of a "download" button and an explicit instruction to disable security software indicates a malicious intent to trick the user into downloading further content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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.cc/pify?keyword=autocad+map+3d+software+free In PDF document text
- http://files.creedewoodcarvers.com/uploads/1/3/1/6/131606435/002363620.pdfIn PDF document text
- http://files.westminsterbbic.org/uploads/1/3/0/8/130814706/7376d9.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/1/0439/8107/8686/files/70915584767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7985/1414/files/pixinopimitapofaxabimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9671/0047/files/definicion_de_trastorno_alimenticio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3101/8142/files/first_and_last_name_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6961/1930/files/yakuza_kiwami_2_mahjong_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8764/3302/files/dedisiwakoxigokerus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0381/3781/files/72927986031.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8402/9854/files/62950379125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3961/3347/files/ledirerogep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5342/4540/files/comethazine_walk_mp4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1530/6405/files/napak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1116/0738/files/dolerowukin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3320/6690/files/69708752896.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_off000065aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AA | 5516 bytes |
SHA-256: 87f624b6309d4eba270147429658536e6da3d45e6128f70a8005ee23ab7d5076 |
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font_01_sfnt_off00007861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7861 | 13052 bytes |
SHA-256: 1a5e62aace8279854fc1572247e9aed1e67accbe6fe34558614fa3ca4bff7acf |
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