MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This indicates an attempt to direct the user to a malicious site, likely for phishing or malware delivery. The document body, though heavily obfuscated, contains keywords related to 'Dahua ip camera installation', suggesting a lure to entice users to click the malicious link. The presence of numerous external PDF links further supports a link farm or SEO poisoning tactic.
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/wb?keyword=dahua%20ip%20camera%20installation%20pdf In PDF document text
- http://files.cahs.com/uploads/1/3/1/8/131856771/xudilokiru.pdfIn PDF document text
- http://files.futurestarsathletics.com/uploads/1/3/1/8/131858044/xojizivaninireborak.pdfIn PDF document text
- http://files.hanshi.com/uploads/1/3/1/1/131164386/vonokapowezatu.pdfIn PDF document text
- http://files.pelicansconference.com/uploads/1/3/2/6/132682640/1150622.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/1/0428/9835/8432/files/13879903487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9302/files/sabedisuwavad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6806/2872/files/bomusomexezezotanezinaroj.pdfIn PDF document text
- https://gadaxug.files.wordpress.com/2020/06/14663591310.pdfIn PDF document text
- https://suwenafobot.files.wordpress.com/2020/07/gibuvepalibusenejisu.pdfIn PDF document text
- https://zifenopi.files.wordpress.com/2020/06/foxufagakawere.pdfIn PDF document text
- https://mixusobaso.files.wordpress.com/2020/07/2524609980.pdfIn PDF document text
- https://kerejib.files.wordpress.com/2020/07/44352581682.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/xejosugifefawevarevetadaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/6894899549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6673/7311/files/80453116644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5508/6742/files/faselojuvugufupano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9203/4211/files/vifulalerole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4550/3655/files/firisaxefudisamanuxisasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/denebidakewup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/tezesudajowuxaxo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5652 | 5276 bytes |
SHA-256: 49314ff63110828e61da1f92ab63f7b83593d9d7a488d3aa1c142ecc440edf78 |
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font_01_sfnt_off00006814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6814 | 9068 bytes |
SHA-256: 597517192cd03a3c9ef072c9db84bed96b75a128462310c6ebdab7c0bfe24857 |
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font_02_sfnt_off00008744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8744 | 16076 bytes |
SHA-256: 8ea7f1c1fa5cae84799308c3b5277d4d512d786787cd8f2796a1af00f3b64e48 |
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